{"title":"Mineral Wool Cavity Insulation","description":"\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003ch2 class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eWhat is mineral wool cavity wall insulation?\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eMineral wool cavity \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003einsulation is a semi-rigid slab or batt \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ethat gets built into a masonry cavity \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ewall while the wall is going up. It is \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003espun into fibres either from recycled \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eglass and sand (glass mineral wool) or \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003efrom volcanic rock (stone wool), and it \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eworks by trapping still air in amongst \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ethose fibres so heat cannot cross the \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ecavity easily.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eIt is the most widely \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eused cavity insulation material in the \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eUK, and for good reason: it is \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003enon-combustible, it costs less per \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003esquare metre than rigid board, and \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ebecause it is soft and flexible it \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003esquashes neatly around wall ties \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003einstead of needing to be cut around \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ethem.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eOne important distinction. This \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eis the product you build into a \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003enew\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ewall. It is not the blown or injected \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003einsulation that gets pumped into an \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eexisting, already-built cavity by \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003edrilling the outer leaf. That is a \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003edifferent job, it needs a PAS 2035 \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eassessment and a TrustMark-registered \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003einstaller, and it is not something you \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ecan buy supply-only. If your walls are \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ealready up, this range is not the right \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eproduct for you.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003ch2 class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eThe benefits of mineral wool cavity insulation\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eNon-combustible\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e - \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eEuroclass A1 to BS EN 13501-1, the \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ehighest reaction to fire classification \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ethere is, and a property of the slab \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eitself rather than of the wall it sits \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ein.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eLower running costs\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e - a \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003econtinuous, tightly fitted layer across \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ethe cavity cuts the heat escaping \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ethrough your walls and lets your \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eheating work less hard.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eFits around wall ties\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e - the soft \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003efibre structure lets the slab close \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003earound ties and irregularities, so you \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eget fewer gaps than you would with a \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003erigid board.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eNo clips or discs on full fill\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e - \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ethe slabs friction fit between the two \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eleaves, which means less kit on site \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eand a quicker build.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eWater repellent and breathable\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e - \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003emanufactured with a water-repellent \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eadditive and non-hygroscopic, so the \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eslab sheds water rather than soaking it \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eup, while still letting water vapour \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003epass through the wall.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eUseful acoustic performance\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e - the \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003edensity and fibre structure help absorb \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003esound and dampen vibration, taking the \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eedge off external noise.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eGood value per square metre\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e - \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003egenerally the most cost-effective way \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eto insulate a masonry cavity, \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eparticularly on larger builds.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003ch2 class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eGlass wool or stone wool?\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eBoth \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ematerials do the same job and both are \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eEuroclass A1, water repellent and \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ebreathable, so this is a handling, \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003edensity and price decision rather than \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ea fire or moisture one.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eGlass mineral \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ewool (Knauf DriTherm, Superglass \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eSuperwall) is lighter and softer to \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ehandle, and generally costs less per \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003esquare metre. It compresses easily \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003earound wall ties, which makes for quick \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ework on a long run of wall. Stone wool \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e(Rockwool) is denser and heavier, with \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ehigher temperature resistance, and \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eholds its shape well in the cavity.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eWhe\u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ere the two differ in a way that affects \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eyour order is exposure zone \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ecertification, and that varies product \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eby product. The table below sets out \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ethe position for each.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003ch2 class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eExposure zones: which slab is certified for your wall\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eExposure zone is \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ethe quickest way to narrow the range \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003edown, and it is worth checking before \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eanything else. Zones come off a \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ewind-driven rain map, with \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003esite-specific variation by calculation \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eto BS 8104, and the certified position \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003evaries by product rather than by \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ematerial.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cdiv dir=\"ltr\" class=\"overflow-x-auto w-full px-2 mb-6 print:overflow-x-visible\"\u003e\n\u003ctable class=\"min-w-full border-collapse text-sm leading-[1.7] whitespace-normal\"\u003e\n\u003cthead class=\"text-left\"\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\" class=\"text-text-100 border-b-0.5 border-[hsl(var(--border-300)\/0.6)] py-2 pr-4 align-top font-bold\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003e Product\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth scope=\"col\" class=\"text-text-100 border-b-0.5 border-[hsl(var(--border-300)\/0.6)] py-2 pr-4 align-top font-bold\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eMaterial\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth scope=\"col\" class=\"text-text-100 border-b-0.5 border-[hsl(var(--border-300)\/0.6)] py-2 pr-4 align-top font-bold\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eFill \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003emethod\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth scope=\"col\" class=\"text-text-100 border-b-0.5 border-[hsl(var(--border-300)\/0.6)] py-2 pr-4 align-top font-bold\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eExposure zone position\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eKnauf DriTherm 32 \/ 34 \/ \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e37\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eGlass mineral wool\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eFull fill \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eonly\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eAll UK exposure zones including \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003every severe (BBA 95\/3212)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eRockwool \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eFull Fill Cavity Batt\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eStone wool\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eFull fill\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eAll exposure locations \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eother than very severe with fair-faced \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003emasonry, in relation to NHBC Standards \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eChapter 6.1 (BBA 94\/3079)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eSuperglass Superwall 32 \/ 34 \/ 36\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eGlass mineral wool\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eFull and partial \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003efill\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eAll UK exposure zones, subject \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eto the conditions in the certificate\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eIf you are building in a very severe \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eexposure area, Knauf DriTherm is the \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003estraightforward choice: its BBA \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ecertificate covers all UK exposure \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ezones including very severe, across all \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ethree lambda grades. Superglass \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eSuperwall is also certified across all \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eUK zones, subject to the conditions set \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eout in its certificate. Confirm the \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ezone for your site and check your \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ewarranty provider's requirements, and \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eif you want a second opinion before you \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ecommit, call 03003 034 578 and we will \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003echeck the certificate with you.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003ch2 class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eChoosing a thickness\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eThermal \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003econductivity (lambda) and R-value are \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eproperties of the slab and are declared \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eon the Declaration of Performance, so \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eyou can rely on them. A U-value is not: \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eit depends on your outer leaf, your \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003einner block density, your internal \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003efinish, your wall ties and your mortar \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ejoints, and it has to be calculated for \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ethe actual build-up to BS EN ISO 6946.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eThe table below is Rockwool's published \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003efigures for one specific full fill \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ebuild-up (facing brick outer leaf, \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e100mm medium dense block inner leaf, \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eplasterboard on dab). Use it to size \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eyour cavity, not as a value for your \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eown wall.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cdiv dir=\"ltr\" class=\"overflow-x-auto w-full px-2 mb-6 print:overflow-x-visible\"\u003e\n\u003ctable class=\"min-w-full border-collapse text-sm leading-[1.7] whitespace-normal\"\u003e\n\u003cthead class=\"text-left\"\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\" class=\"text-text-100 border-b-0.5 border-[hsl(var(--border-300)\/0.6)] py-2 pr-4 align-top font-bold\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003e Cavity width\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth scope=\"col\" class=\"text-text-100 border-b-0.5 border-[hsl(var(--border-300)\/0.6)] py-2 pr-4 align-top font-bold\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eλ 0.037 \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eW\/mK\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth scope=\"col\" class=\"text-text-100 border-b-0.5 border-[hsl(var(--border-300)\/0.6)] py-2 pr-4 align-top font-bold\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eλ 0.032 W\/mK\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003e100mm\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003e0.29 W\/m²K\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003e0.26 W\/m²K\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003e125mm\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003enot published\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003e0.22 W\/m²K\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003e150mm\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003e0.21 W\/m²K\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003e0.19 W\/m²K\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003e175mm\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003e0.18 W\/m²K\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003enot published\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003e200mm\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003enot published\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003e0.14 W\/m²K\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eUn\u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eder Part L, the limiting external wall \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eU-value for a new dwelling is 0.26 \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eW\/m²K. \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eNew and replacement thermal elements in an existing dwelling, which includes extensions, face a tighter 0.18 W\/m²K.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eThat catches people out, so it is worth \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003espelling out what it means in practice: \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ea 100mm cavity fully filled at 0.032 \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003elands exactly on 0.26 with no headroom \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eat all, and a 100mm cavity cannot reach \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e0.18 in mineral wool whatever grade you \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003euse. If you are extending, you need a \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ewider cavity, or you need to look at \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ePIR or phenolic partial fill instead.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003ch3 class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eAvailable thicknesses and brands\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eMineral wool cavity slabs and batts \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eare stocked from 50mm to 150mm, in a \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003erange of lambda grades so you can hit \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eyour target without changing cavity \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ewidth. The range covers Knauf DriTherm \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e32 and DriTherm 37, Rockwool Full Fill \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eCavity Batt and Superglass Superwall \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e36. All slabs are 1200mm x 455mm.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eFor \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ereference at 100mm: DriTherm 32 gives \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ean R-value of 3.10 m²K\/W, DriTherm 34 \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003egives 2.90 m²K\/W and DriTherm 37 gives \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e2.70 m²K\/W.\u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003ch2 class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eWhere mineral wool cavity slabs are used\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eAnywhere you have a masonry \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ecavity wall with two leaves and \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003estandard wall ties, whatever the \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ebuilding is for:\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\" dir=\"ltr\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eNew build masonry housing\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e - full \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003efill is the default in volume \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ehousebuilding.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eExtensions, renovations and self-builds\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e - bearing in mind the tighter 0.18 \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eW\/m²K target for new thermal elements.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eCommercial and public buildings\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e - \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eoffices, retail units and schools built \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ein masonry cavity.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eAgricultural and rural buildings\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e - \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003esee below.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eParty and separating walls\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e - fully \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003efilling the cavity together with \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eeffective edge sealing is the standard \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eroute to a 0.00 W\/m²K party wall in \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eSAP. You need both: edge sealing on its \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eown with an unfilled cavity gives 0.20 \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eW\/m²K, and with no edge sealing at all \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eit is 0.50 W\/m²K.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eBuildings over 18m in England, 11m in Scotland\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e - where Euroclass A1 is the \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eonly compliant option.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003ch3 class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eAgricultural and rural buildings\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eCavity slabs and batts are widely \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eused on farms and rural holdings \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ewherever the wall is masonry cavity: \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003efarmhouses and farmhouse extensions, \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003efarm offices and staff accommodation, \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eworkshops, grain and produce stores, \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003elivestock housing, and equestrian \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ebuildings such as stable blocks and \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003etack rooms. The slab behaves no \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003edifferently on a farm building than on \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ea housing plot, and the 455mm width \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003esits between standard wall ties in \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eexactly the same way.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eTwo things are \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eworth thinking about on a rural site. \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eExposure tends to be higher, because \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003efarm buildings sit on open ground with \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003elittle surrounding development to \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eshelter them, which pushes a lot of \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eholdings into severe or very severe \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eterritory. Start with the exposure \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003etable above and check the position for \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ethe actual site. And Euroclass A1 means \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ethe insulation adds nothing to the fire \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eload, which is a genuine consideration \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ein a building storing hay, straw, \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ebedding, fuel or fertiliser.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eWhat \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ethese slabs will not do is insulate a \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eportal frame or steel-clad agricultural \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ebuilding. There is no cavity to fill, \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eand that is a different product family.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003ch2 class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eHow mineral wool cavity slabs are fitted\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eCavity slabs are 455mm wide \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eright across the category, and that is \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003enot arbitrary: it suits standard \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003evertical wall tie spacing, so the slab \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003efriction fits between the ties with a \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eclosed joint. Fitting is a job most \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eself-builders and competent DIYers take \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eon, and the insulation goes in as the \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ewall is raised.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eFull fill slabs fill \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ethe cavity edge to edge, tight against \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eboth leaves, and hold themselves in \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eplace between the wall ties with no \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eclips or discs needed. Partial fill \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eslabs are fixed against the inner leaf, \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eleaving a clear residual cavity to the \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eouter leaf: 50mm minimum, or 75mm in \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003every severe exposure with a fair-faced \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eouter leaf. Our full fill cavity \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003einsulation and partial fill cavity \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003einsulation pages cover both approaches \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ein more detail, including the PIR and \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ephenolic options.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eA few things to get \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eright:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eButt the slabs tightly \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003etogether with no gaps, and keep joints \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eclosed as you go up.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eBrush mortar \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003edroppings off the tops of the slabs and \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eoff the wall ties, so nothing bridges \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ethe cavity.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eFit cavity closers at \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003edoor and window reveals to seal the \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ecavity at the edges.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eKeep packs dry \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eand stored under cover. Mineral wool is \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ewater repellent, but it should not be \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eleft exposed on site.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003ch2 class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\n\u003cspan class=\"_animating_yu34g_10\"\u003eWhy buy your mineral wool cavity insulation from Insulation UK?\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\" dir=\"ltr\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eGreat prices\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e - competitive pricing \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eon cavity slabs and batts from the \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eleading mineral wool manufacturers, \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ewith no minimum order value.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eThe certification stated up front\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e - \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003elambda, R-value, BBA certificate number \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eand exposure zone position listed on \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eevery product page, taken from the \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ecurrent manufacturer datasheet.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eAll the leading brands\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e - Knauf \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eDriTherm, Rockwool and Superglass \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eSuperwall in glass and stone wool, full \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003efill and partial fill.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eFast UK-wide delivery\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e - delivered \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003enationwide from the Rotherham \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003edistribution centre, with free delivery \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eon orders over £500 (ex VAT).\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eExpert help when you need it\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e - over \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e50 years in the insulation industry. If \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eyou are working to a U-value target, \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003echecking an exposure zone or not sure \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003ewhich thickness you need, call \u003ca href=\"tel:03003%20034%20578\"\u003e03003 \u003c\/a\u003e\u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003e\u003ca href=\"tel:03003%20034%20578\"\u003e034 578\u003c\/a\u003e and we will point you in the \u003c\/span\u003e\u003cspan class=\"_animating_yu34g_10\"\u003eright direction.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","products":[{"product_id":"75mm-superglass-superwall-36-cavity-wall-batt","title":"75mm Superglass Superwall 36 Cavity Wall Batt","description":"\u003cp class=\"MsoNormal\"\u003eSuperglass Superwall 36 75mm is a BBA approved high-quality glass mineral wool insulation designed for use in full or partial fill masonry cavity walls. Supplied in 455mm wide batts, it fits neatly between wall ties for quick installation with minimal waste. Offering excellent thermal performance, Superwall 36 helps to keep your home warm, energy-efficient, and comfortable all year round.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eBenefits\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eExtremely durable, meaning it won't rot, degrade, or support the growth of mould and bacteria.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMade from up to 84% recycled glass\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eCan be used i\u003cspan\u003en full or partial fill of new external masonry cavity walls\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eExcellent thermal performance with a thermal conductivity of 0.036W\/m·K\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eA nominal vapour resistivity of 5MNs\/gm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\u003cspan\u003eBBA approved for use in all UK exposure zones (subject to conditions detailed in the BBA Certificate).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eComplies with the key standards for wool insulation and is certified under CCPI with UKCA\/CE markings\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eRated A+ in the BRE Green Guide\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMeets ISO 14001 environmental management standards\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eDoes not contain any ozone-depleting substances\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMade from non-combustible material and holds a Euroclass A1 fire rating (this is the highest classification under BS EN 13501-1)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eGood to know\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eSuitable for use where it bridges the DPC, provided the wall detailing meets national Building Regulation requirements to stop damp reaching the inner leaf.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003ePlease store under cover and clear of the ground. Avoid prolonged exposure to the elements, especially direct sunlight and rain\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eSpecialist PPE is not required, although if you are cutting the insulation in an unventilated area, it is recommended to use a suitable dust mask\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eFor the cleanest results, use a long-bladed knife or insulation saw and compress the roll slightly while cutting to help maintain control and accuracy\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eOnce unpacked, allow the insulation roll to fully expand before installation to ensure it reaches its full thickness and performs properly\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Superglass","offers":[{"title":"Default Title","offer_id":52653821362510,"sku":"BM010415","price":27.02,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/superglass-superglass-superwall-36-cavity-wall-batt-75-x-1200-x-455mm-10-batts-5-46m2-bm010415-mineral-fibre-insulation-1172611694.png?v=1749658690"},{"product_id":"100mm-superglass-superwall-36-cavity-wall-batt","title":"100mm Superglass Superwall 36 Cavity Wall Batt","description":"\u003cp class=\"MsoNormal\"\u003eSuperglass Superwall 36 100mm is a BBA approved high-quality glass mineral wool insulation designed for use in full or partial fill masonry cavity walls. Supplied in 455mm wide batts, it fits neatly between wall ties for quick installation with minimal waste. Offering excellent thermal performance, Superwall 36 helps to keep your home warm, energy-efficient, and comfortable all year round.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eBenefits\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eExtremely durable, meaning it won't rot, degrade, or support the growth of mould and bacteria.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMade from up to 84% recycled glass\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eCan be used i\u003cspan\u003en full or partial fill of new external masonry cavity walls\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eExcellent thermal performance with a thermal conductivity of 0.036W\/m·K\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eA nominal vapour resistivity of 5MNs\/gm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\u003cspan\u003eBBA approved for use in all UK exposure zones (subject to conditions detailed in the BBA Certificate).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eComplies with the key standards for wool insulation and is certified under CCPI with UKCA\/CE markings\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eRated A+ in the BRE Green Guide\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMeets ISO 14001 environmental management standards\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eDoes not contain any ozone-depleting substances\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMade from non-combustible material and holds a Euroclass A1 fire rating (this is the highest classification under BS EN 13501-1)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eGood to know\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eSuitable for use where it bridges the DPC, provided the wall detailing meets national Building Regulation requirements to stop damp reaching the inner leaf.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003ePlease store under cover and clear of the ground. Avoid prolonged exposure to the elements, especially direct sunlight and rain\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eSpecialist PPE is not required, although if you are cutting the insulation in an unventilated area, it is recommended to use a suitable dust mask\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eFor the cleanest results, use a long-bladed knife or insulation saw and compress the roll slightly while cutting to help maintain control and accuracy\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eOnce unpacked, allow the insulation roll to fully expand before installation to ensure it reaches its full thickness and performs properly\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Superglass","offers":[{"title":"Default Title","offer_id":52653821657422,"sku":"BM02007","price":25.87,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/superglass-superglass-superwall-36-cavity-wall-batt-100-x-1200-x-455mm-8-batts-4-37m2-bm02007-mineral-fibre-insulation-1172611692.png?v=1749658684"},{"product_id":"125mm-superglass-superwall-36-cavity-wall-batt","title":"125mm Superglass Superwall 36 Cavity Wall Batt","description":"\u003cp class=\"MsoNormal\"\u003eSuperglass Superwall 36 125mm is a BBA approved high-quality glass mineral wool insulation designed for use in full or partial fill masonry cavity walls. Supplied in 455mm wide batts, it fits neatly between wall ties for quick installation with minimal waste. Offering excellent thermal performance, Superwall 36 helps to keep your home warm, energy-efficient, and comfortable all year round.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eBenefits\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eExtremely durable, meaning it won't rot, degrade, or support the growth of mould and bacteria.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMade from up to 84% recycled glass\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eCan be used i\u003cspan\u003en full or partial fill of new external masonry cavity walls\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eExcellent thermal performance with a thermal conductivity of 0.036W\/m·K\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eA nominal vapour resistivity of 5MNs\/gm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\u003cspan\u003eBBA approved for use in all UK exposure zones (subject to conditions detailed in the BBA Certificate).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eComplies with the key standards for wool insulation and is certified under CCPI with UKCA\/CE markings\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eRated A+ in the BRE Green Guide\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMeets ISO 14001 environmental management standards\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eDoes not contain any ozone-depleting substances\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMade from non-combustible material and holds a Euroclass A1 fire rating (this is the highest classification under BS EN 13501-1)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eGood to know\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eSuitable for use where it bridges the DPC, provided the wall detailing meets national Building Regulation requirements to stop damp reaching the inner leaf.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003ePlease store under cover and clear of the ground. Avoid prolonged exposure to the elements, especially direct sunlight and rain\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eSpecialist PPE is not required, although if you are cutting the insulation in an unventilated area, it is recommended to use a suitable dust mask\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eFor the cleanest results, use a long-bladed knife or insulation saw and compress the roll slightly while cutting to help maintain control and accuracy\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eOnce unpacked, allow the insulation roll to fully expand before installation to ensure it reaches its full thickness and performs properly\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Superglass","offers":[{"title":"Default Title","offer_id":52653821788494,"sku":"BM010297","price":23.85,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/superglass-superglass-superwall-36-cavity-wall-batt-125-x-1200-x-455mm-6-batts-3-28m2-bm010297-mineral-fibre-insulation-1172611690.png?v=1749658679"},{"product_id":"150mm-superglass-superwall-36-cavity-wall-batt","title":"150mm Superglass Superwall 36 Cavity Wall Batt","description":"\u003cp class=\"MsoNormal\"\u003eSuperglass Superwall 36 150mm is a BBA approved high-quality glass mineral wool insulation designed for use in full or partial fill masonry cavity walls. Supplied in 455mm wide batts, it fits neatly between wall ties for quick installation with minimal waste. Offering excellent thermal performance, Superwall 36 helps to keep your home warm, energy-efficient, and comfortable all year round.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eBenefits\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eExtremely durable, meaning it won't rot, degrade, or support the growth of mould and bacteria.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMade from up to 84% recycled glass\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eCan be used i\u003cspan\u003en full or partial fill of new external masonry cavity walls\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eExcellent thermal performance with a thermal conductivity of 0.036W\/m·K\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eA nominal vapour resistivity of 5MNs\/gm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\u003cspan\u003eBBA approved for use in all UK exposure zones (subject to conditions detailed in the BBA Certificate).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eComplies with the key standards for wool insulation and is certified under CCPI with UKCA\/CE markings\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eRated A+ in the BRE Green Guide\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMeets ISO 14001 environmental management standards\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eDoes not contain any ozone-depleting substances\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMade from non-combustible material and holds a Euroclass A1 fire rating (this is the highest classification under BS EN 13501-1)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eGood to know\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eSuitable for use where it bridges the DPC, provided the wall detailing meets national Building Regulation requirements to stop damp reaching the inner leaf.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003ePlease store under cover and clear of the ground. Avoid prolonged exposure to the elements, especially direct sunlight and rain\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eSpecialist PPE is not required, although if you are cutting the insulation in an unventilated area, it is recommended to use a suitable dust mask\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eFor the cleanest results, use a long-bladed knife or insulation saw and compress the roll slightly while cutting to help maintain control and accuracy\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eOnce unpacked, allow the insulation roll to fully expand before installation to ensure it reaches its full thickness and performs properly\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Superglass","offers":[{"title":"Default Title","offer_id":52653822411086,"sku":"BM01969","price":29.08,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/superglass-superglass-superwall-36-cavity-wall-batt-150-x-1200-x-455mm-6-batts-3-28m2-bm01969-mineral-fibre-insulation-1172611688.png?v=1749658574"},{"product_id":"isover-timber-frame-batt-d50-x-w570-x-l1175mm-603m2-batts-per-pack-x-9-155","title":"Isover Timber Frame Batt  D50 x W570 x L1175mm - 6.03m2 - Batts Per Pack x 9  1.55","description":"\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eA glass mineral wool roll providing thermal performance and acoustic benefits in timber frame walls. \u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"text-decoration: underline; color: #000000;\"\u003e\u003cstrong\u003eProduct Features and Benefits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eAchieves a Euroclass A1 Reaction to Fire classification, according to BS EN 13501-1 \u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eThermal conductivity of 0.032 to 0.043 W\/m.K\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eHelps to reduce heat loss within the building envelope and decrease energy costs\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eReduces unwanted noise from external sources helping to improve the acoustic comfort of those living within the building*\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eThe roll and batts are sized to fit between standard timber studs with no need for additional fixings\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eNon-combustible\u003c\/span\u003e\u003c\/h6\u003e","brand":"Isover","offers":[{"title":"Default Title","offer_id":52654228439374,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/isover-isover-timber-frame-batt-d50-x-w570-x-l1175mm-6-03m2-batts-per-pack-x-9-1-55-mineral-fibre-insulation-1172610495.png?v=1749636006"},{"product_id":"isover-timber-frame-batt-d90-x-w570-x-l1175mm-335m2-batts-per-pack-x-5-280","title":"Isover Timber Frame Batt  D90 x W570 x L1175mm - 3.35m2 - Batts per Pack x 5  2.80","description":"\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eA glass mineral wool roll providing thermal performance and acoustic benefits in timber frame walls. \u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"text-decoration: underline; color: #000000;\"\u003e\u003cstrong\u003eProduct Features and Benefits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eAchieves a Euroclass A1 Reaction to Fire classification, according to BS EN 13501-1 \u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eThermal conductivity of 0.032 to 0.043 W\/m.K\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eHelps to reduce heat loss within the building envelope and decrease energy costs\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eReduces unwanted noise from external sources helping to improve the acoustic comfort of those living within the building*\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eThe roll and batts are sized to fit between standard timber studs with no need for additional fixings\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eNon-combustible\u003c\/span\u003e\u003c\/h6\u003e","brand":"Isover","offers":[{"title":"Default Title","offer_id":52654229750094,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/isover-isover-timber-frame-batt-d90-x-w570-x-l1175mm-3-35m2-batts-per-pack-x-5-2-80-mineral-fibre-insulation-1172610494.png?v=1749636001"},{"product_id":"isover-timber-frame-batt-d140-x-w570-x-l1175mm-335m2-batts-per-pack-x-5-435","title":"Isover Timber Frame Batt 32 D140 x W570 x L1175mm - 3.35m2","description":"\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eA glass mineral wool roll providing thermal performance and acoustic benefits in timber frame walls. \u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"text-decoration: underline; color: #000000;\"\u003e\u003cstrong\u003eProduct Features and Benefits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eAchieves a Euroclass A1 Reaction to Fire classification, according to BS EN 13501-1 \u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eThermal conductivity of 0.032 to 0.043 W\/m.K\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eHelps to reduce heat loss within the building envelope and decrease energy costs\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eReduces unwanted noise from external sources helping to improve the acoustic comfort of those living within the building*\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eThe roll and batts are sized to fit between standard timber studs with no need for additional fixings\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eNon-combustible\u003c\/span\u003e\u003c\/h6\u003e","brand":"Isover","offers":[{"title":"Default Title","offer_id":52654229979470,"sku":null,"price":64.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/isover-isover-timber-frame-batt-d140-x-w570-x-l1175mm-3-35m2-batts-per-pack-x-5-4-35-mineral-fibre-insulation-1172610493.png?v=1749635998"},{"product_id":"isover-timber-frame-batt-d90-x-w570-x-l1175mm-670m2-batts-per-pack-x-10-255","title":"Isover Timber Frame Batt  D90 x W570 x L1175mm - 6.70m2 - Batts Per Pack x 10  2.55","description":"\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eA glass mineral wool roll providing thermal performance and acoustic benefits in timber frame walls. \u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"text-decoration: underline; color: #000000;\"\u003e\u003cstrong\u003eProduct Features and Benefits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eAchieves a Euroclass A1 Reaction to Fire classification, according to BS EN 13501-1 \u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eThermal conductivity of 0.032 to 0.043 W\/m.K\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eHelps to reduce heat loss within the building envelope and decrease energy costs\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eReduces unwanted noise from external sources helping to improve the acoustic comfort of those living within the building*\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eThe roll and batts are sized to fit between standard timber studs with no need for additional fixings\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eNon-combustible\u003c\/span\u003e\u003c\/h6\u003e","brand":"Isover","offers":[{"title":"Default Title","offer_id":52654230470990,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/isover-isover-timber-frame-batt-d90-x-w570-x-l1175mm-6-70m2-batts-per-pack-x-10-2-55-mineral-fibre-insulation-1172610492.png?v=1749635897"},{"product_id":"isover-timber-frame-batt-d100-x-w570-x-l1175mm-536m2-batts-per-pack-x-8-285","title":"Isover Timber Frame Batt  D100 x W570 x L1175mm - 5.36m2 - Batts Per Pack x 8  2.85","description":"\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eA glass mineral wool roll providing thermal performance and acoustic benefits in timber frame walls. \u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"text-decoration: underline; color: #000000;\"\u003e\u003cstrong\u003eProduct Features and Benefits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eAchieves a Euroclass A1 Reaction to Fire classification, according to BS EN 13501-1 \u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eThermal conductivity of 0.032 to 0.043 W\/m.K\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eHelps to reduce heat loss within the building envelope and decrease energy costs\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eReduces unwanted noise from external sources helping to improve the acoustic comfort of those living within the building*\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eThe roll and batts are sized to fit between standard timber studs with no need for additional fixings\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eNon-combustible\u003c\/span\u003e\u003c\/h6\u003e","brand":"Isover","offers":[{"title":"Default Title","offer_id":52654230667598,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/isover-isover-timber-frame-batt-d100-x-w570-x-l1175mm-5-36m2-batts-per-pack-x-8-2-85-mineral-fibre-insulation-1172610491.png?v=1749635893"},{"product_id":"isover-timber-frame-batt-d140-x-w570-x-l1175mm-402m2-batts-per-pack-x-6-400","title":"Isover Timber Frame Batt 35 D140 x W570 x L1175mm - 4.02m2","description":"\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eA glass mineral wool roll providing thermal performance and acoustic benefits in timber frame walls. \u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"text-decoration: underline; color: #000000;\"\u003e\u003cstrong\u003eProduct Features and Benefits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eAchieves a Euroclass A1 Reaction to Fire classification, according to BS EN 13501-1 \u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eThermal conductivity of 0.032 to 0.043 W\/m.K\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eHelps to reduce heat loss within the building envelope and decrease energy costs\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eReduces unwanted noise from external sources helping to improve the acoustic comfort of those living within the building*\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eThe roll and batts are sized to fit between standard timber studs with no need for additional fixings\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eNon-combustible\u003c\/span\u003e\u003c\/h6\u003e","brand":"Isover","offers":[{"title":"Default Title","offer_id":52654230831438,"sku":null,"price":62.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/isover-isover-timber-frame-batt-d140-x-w570-x-l1175mm-4-02m2-batts-per-pack-x-6-4-00-mineral-fibre-insulation-1172610490.png?v=1749635891"},{"product_id":"isover-timber-frame-batt-d150-x-w570-x-l1175mm-402m2-batts-per-pack-x-6-425","title":"Isover Timber Frame Batt  D150 x W570 x L1175mm - 4.02m2 - Batts Per Pack x 6  4.25","description":"\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eA glass mineral wool roll providing thermal performance and acoustic benefits in timber frame walls. \u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"text-decoration: underline; color: #000000;\"\u003e\u003cstrong\u003eProduct Features and Benefits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eAchieves a Euroclass A1 Reaction to Fire classification, according to BS EN 13501-1 \u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eThermal conductivity of 0.032 to 0.043 W\/m.K\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eHelps to reduce heat loss within the building envelope and decrease energy costs\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eReduces unwanted noise from external sources helping to improve the acoustic comfort of those living within the building*\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eThe roll and batts are sized to fit between standard timber studs with no need for additional fixings\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eNon-combustible\u003c\/span\u003e\u003c\/h6\u003e","brand":"Isover","offers":[{"title":"Default Title","offer_id":52654233059662,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/isover-isover-timber-frame-batt-d150-x-w570-x-l1175mm-4-02m2-batts-per-pack-x-6-4-25-mineral-fibre-insulation-1172610489.png?v=1749635889"},{"product_id":"isover-timber-frame-batt-d90-x-w570-x-l1175mm-938m2-batts-per-pack-x-14-225","title":"Isover Timber Frame Batt  D90 x W570 x L1175mm - 9.38m2 - Batts Per Pack x 14  2.25","description":"\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eA glass mineral wool roll providing thermal performance and acoustic benefits in timber frame walls. \u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"text-decoration: underline; color: #000000;\"\u003e\u003cstrong\u003eProduct Features and Benefits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eAchieves a Euroclass A1 Reaction to Fire classification, according to BS EN 13501-1 \u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eThermal conductivity of 0.032 to 0.043 W\/m.K\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eHelps to reduce heat loss within the building envelope and decrease energy costs\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eReduces unwanted noise from external sources helping to improve the acoustic comfort of those living within the building*\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eThe roll and batts are sized to fit between standard timber studs with no need for additional fixings\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eNon-combustible\u003c\/span\u003e\u003c\/h6\u003e","brand":"Isover","offers":[{"title":"Default Title","offer_id":52654234370382,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/isover-isover-timber-frame-batt-d90-x-w570-x-l1175mm-9-38m2-batts-per-pack-x-14-2-25-mineral-fibre-insulation-1172610488.png?v=1749635885"},{"product_id":"isover-timber-frame-batt-d140-x-w570-x-l1175mm-536m2-batts-per-pack-x-8-350","title":"Isover Timber Frame Batt  D140 x W570 x L1175mm - 5.36m2 - Batts Per Pack x 8  3.50","description":"\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eA glass mineral wool roll providing thermal performance and acoustic benefits in timber frame walls. \u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"text-decoration: underline; color: #000000;\"\u003e\u003cstrong\u003eProduct Features and Benefits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eAchieves a Euroclass A1 Reaction to Fire classification, according to BS EN 13501-1 \u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eThermal conductivity of 0.032 to 0.043 W\/m.K\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eHelps to reduce heat loss within the building envelope and decrease energy costs\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eReduces unwanted noise from external sources helping to improve the acoustic comfort of those living within the building*\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eThe roll and batts are sized to fit between standard timber studs with no need for additional fixings\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eNon-combustible\u003c\/span\u003e\u003c\/h6\u003e","brand":"Isover","offers":[{"title":"Default Title","offer_id":52654234566990,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/isover-isover-timber-frame-batt-d140-x-w570-x-l1175mm-5-36m2-batts-per-pack-x-8-3-50-mineral-fibre-insulation-1172610487.png?v=1749635881"},{"product_id":"isover-timber-frame-batt-d90-x-w570-x-l1175mm-804m2-batts-per-pack-x-12-205","title":"Isover Timber Frame Batt  D90 x W570 x L1175mm - 8.04m2 - Batts Per Pack x 12  2.05","description":"\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eA glass mineral wool roll providing thermal performance and acoustic benefits in timber frame walls. \u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"text-decoration: underline; color: #000000;\"\u003e\u003cstrong\u003eProduct Features and Benefits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eAchieves a Euroclass A1 Reaction to Fire classification, according to BS EN 13501-1 \u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eThermal conductivity of 0.032 to 0.043 W\/m.K\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eHelps to reduce heat loss within the building envelope and decrease energy costs\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eReduces unwanted noise from external sources helping to improve the acoustic comfort of those living within the building*\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eThe roll and batts are sized to fit between standard timber studs with no need for additional fixings\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eNon-combustible\u003c\/span\u003e\u003c\/h6\u003e","brand":"Isover","offers":[{"title":"Default Title","offer_id":52654234632526,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/isover-isover-timber-frame-batt-d90-x-w570-x-l1175mm-8-04m2-batts-per-pack-x-12-2-05-mineral-fibre-insulation-1172610486.png?v=1749635878"},{"product_id":"isover-timber-frame-batt-d140-x-w570-x-l1175mm-536m2-batts-per-pack-x-6-325","title":"Isover Timber Frame Batt  D140 x W570 x L1175mm - 5.36m2 - Batts Per Pack x 6  3.25","description":"\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eA glass mineral wool roll providing thermal performance and acoustic benefits in timber frame walls. \u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"text-decoration: underline; color: #000000;\"\u003e\u003cstrong\u003eProduct Features and Benefits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eAchieves a Euroclass A1 Reaction to Fire classification, according to BS EN 13501-1 \u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eThermal conductivity of 0.032 to 0.043 W\/m.K\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eHelps to reduce heat loss within the building envelope and decrease energy costs\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eReduces unwanted noise from external sources helping to improve the acoustic comfort of those living within the building*\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eThe roll and batts are sized to fit between standard timber studs with no need for additional fixings\u003c\/span\u003e\u003c\/h6\u003e\n\u003ch6\u003e\u003cspan style=\"color: #000000;\"\u003eNon-combustible\u003c\/span\u003e\u003c\/h6\u003e","brand":"Isover","offers":[{"title":"Default Title","offer_id":52654235058510,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/isover-isover-timber-frame-batt-d140-x-w570-x-l1175mm-5-36m2-batts-per-pack-x-6-3-25-mineral-fibre-insulation-1172610485.png?v=1749635775"},{"product_id":"100mm-superglass-superwall-32-cavity-wall-batt","title":"100mm Superglass Superwall 32 Cavity Wall Batt","description":"\u003cp class=\"MsoNormal\"\u003eSuperglass Superwall 32 100mm is a BBA approved high-quality glass mineral wool insulation designed for use in full or partial fill masonry cavity walls. Supplied in 455mm wide batts, it fits neatly between wall ties for quick installation with minimal waste. Offering excellent thermal performance, Superwall 32 helps to keep your home warm, energy-efficient, and comfortable all year round.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eBenefits\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eExtremely durable, meaning it won't rot, degrade, or support the growth of mould and bacteria.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMade from up to 84% recycled glass\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eCan be used i\u003cspan\u003en full or partial fill of new external masonry cavity walls\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eExcellent thermal performance with a thermal conductivity of 0.032W\/m·K\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eA nominal vapour resistivity of 5MNs\/gm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\u003cspan\u003eBBA approved for use in all UK exposure zones (subject to conditions detailed in the BBA Certificate).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eComplies with the key standards for wool insulation and is certified under CCPI with UKCA\/CE markings\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eRated A+ in the BRE Green Guide\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMeets ISO 14001 environmental management standards\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eDoes not contain any ozone-depleting substances\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMade from non-combustible material and holds a Euroclass A1 fire rating (this is the highest classification under BS EN 13501-1)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eGood to know\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eSuitable for use where it bridges the DPC, provided the wall detailing meets national Building Regulation requirements to stop damp reaching the inner leaf.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003ePlease store under cover and clear of the ground. Avoid prolonged exposure to the elements, especially direct sunlight and rain\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eSpecialist PPE is not required, although if you are cutting the insulation in an unventilated area, it is recommended to use a suitable dust mask\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eFor the cleanest results, use a long-bladed knife or insulation saw and compress the roll slightly while cutting to help maintain control and accuracy\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eOnce unpacked, allow the insulation roll to fully expand before installation to ensure it reaches its full thickness and performs properly\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Superglass","offers":[{"title":"Default Title","offer_id":52654450573646,"sku":"BM01970","price":38.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/superglass-superglass-superwall-32-cavity-wall-batt-100mm-bm01970-mineral-fibre-insulation-1172609965.png?v=1749626401"},{"product_id":"125mm-superglass-superwall-32-cavity-wall-batt","title":"125mm Superglass Superwall 32 Cavity Wall Batt","description":"\u003cp class=\"MsoNormal\"\u003eSuperglass Superwall 32 125mm is a BBA approved high-quality glass mineral wool insulation designed for use in full or partial fill masonry cavity walls. Supplied in 455mm wide batts, it fits neatly between wall ties for quick installation with minimal waste. Offering excellent thermal performance, Superwall 32 helps to keep your home warm, energy-efficient, and comfortable all year round.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eBenefits\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eExtremely durable, meaning it won't rot, degrade, or support the growth of mould and bacteria.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMade from up to 84% recycled glass\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eCan be used i\u003cspan\u003en full or partial fill of new external masonry cavity walls\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eExcellent thermal performance with a thermal conductivity of 0.032W\/m·K\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eA nominal vapour resistivity of 5MNs\/gm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\u003cspan\u003eBBA approved for use in all UK exposure zones (subject to conditions detailed in the BBA Certificate).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eComplies with the key standards for wool insulation and is certified under CCPI with UKCA\/CE markings\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eRated A+ in the BRE Green Guide\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMeets ISO 14001 environmental management standards\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eDoes not contain any ozone-depleting substances\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMade from non-combustible material and holds a Euroclass A1 fire rating (this is the highest classification under BS EN 13501-1)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eGood to know\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eSuitable for use where it bridges the DPC, provided the wall detailing meets national Building Regulation requirements to stop damp reaching the inner leaf.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003ePlease store under cover and clear of the ground. Avoid prolonged exposure to the elements, especially direct sunlight and rain\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eSpecialist PPE is not required, although if you are cutting the insulation in an unventilated area, it is recommended to use a suitable dust mask\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eFor the cleanest results, use a long-bladed knife or insulation saw and compress the roll slightly while cutting to help maintain control and accuracy\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eOnce unpacked, allow the insulation roll to fully expand before installation to ensure it reaches its full thickness and performs properly\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Superglass","offers":[{"title":"Default Title","offer_id":52654452113742,"sku":"BM010620","price":26.93,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/superglass-superglass-superwall-32-cavity-wall-batt-125mm-bm010620-mineral-fibre-insulation-1172609964.png?v=1749626398"},{"product_id":"150mm-superglass-superwall-32-cavity-wall-batt","title":"150mm Superglass Superwall 32 Cavity Wall Batt","description":"\u003cp class=\"MsoNormal\"\u003eSuperglass Superwall 32 150mm is a BBA approved high-quality glass mineral wool insulation designed for use in full or partial fill masonry cavity walls. Supplied in 455mm wide batts, it fits neatly between wall ties for quick installation with minimal waste. Offering excellent thermal performance, Superwall 32 helps to keep your home warm, energy-efficient, and comfortable all year round.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eBenefits\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eExtremely durable, meaning it won't rot, degrade, or support the growth of mould and bacteria.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMade from up to 84% recycled glass\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eCan be used i\u003cspan\u003en full or partial fill of new external masonry cavity walls\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eExcellent thermal performance with a thermal conductivity of 0.032W\/m·K\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eA nominal vapour resistivity of 5MNs\/gm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\u003cspan\u003eBBA approved for use in all UK exposure zones (subject to conditions detailed in the BBA Certificate).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eComplies with the key standards for wool insulation and is certified under CCPI with UKCA\/CE markings\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eRated A+ in the BRE Green Guide\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMeets ISO 14001 environmental management standards\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eDoes not contain any ozone-depleting substances\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMade from non-combustible material and holds a Euroclass A1 fire rating (this is the highest classification under BS EN 13501-1)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eGood to know\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eSuitable for use where it bridges the DPC, provided the wall detailing meets national Building Regulation requirements to stop damp reaching the inner leaf.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003ePlease store under cover and clear of the ground. Avoid prolonged exposure to the elements, especially direct sunlight and rain\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eSpecialist PPE is not required, although if you are cutting the insulation in an unventilated area, it is recommended to use a suitable dust mask\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eFor the cleanest results, use a long-bladed knife or insulation saw and compress the roll slightly while cutting to help maintain control and accuracy\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eOnce unpacked, allow the insulation roll to fully expand before installation to ensure it reaches its full thickness and performs properly \u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Superglass","offers":[{"title":"Default Title","offer_id":52654452277582,"sku":"BM01971","price":39.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/superglass-superglass-superwall-32-cavity-wall-batt-150mm-bm01971-mineral-fibre-insulation-1172609963.png?v=1749626296"},{"product_id":"100mm-superglass-superwall-34-cavity-wall-batt","title":"100mm Superglass Superwall 34 Cavity Wall Batt","description":"\u003cp class=\"MsoNormal\"\u003eSuperglass Superwall 34 100mm is a BBA approved high-quality glass mineral wool insulation designed for use in full or partial fill masonry cavity walls. Supplied in 455mm wide batts, it fits neatly between wall ties for quick installation with minimal waste. Offering excellent thermal performance, Superwall 34 helps to keep your home warm, energy-efficient, and comfortable all year round.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eBenefits\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eExtremely durable, meaning it won't rot, degrade, or support the growth of mould and bacteria.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMade from up to 84% recycled glass\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eCan be used i\u003cspan\u003en full or partial fill of new external masonry cavity walls\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eExcellent thermal performance with a thermal conductivity of 0.034W\/m·K\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eA nominal vapour resistivity of 5MNs\/gm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\u003cspan\u003eBBA approved for use in all UK exposure zones (subject to conditions detailed in the BBA Certificate).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eComplies with the key standards for wool insulation and is certified under CCPI with UKCA\/CE markings\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eRated A+ in the BRE Green Guide\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMeets ISO 14001 environmental management standards\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eDoes not contain any ozone-depleting substances\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMade from non-combustible material and holds a Euroclass A1 fire rating (this is the highest classification under BS EN 13501-1)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eGood to know\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eSuitable for use where it bridges the DPC, provided the wall detailing meets national Building Regulation requirements to stop damp reaching the inner leaf.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003ePlease store under cover and clear of the ground. Avoid prolonged exposure to the elements, especially direct sunlight and rain\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eSpecialist PPE is not required, although if you are cutting the insulation in an unventilated area, it is recommended to use a suitable dust mask\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eFor the cleanest results, use a long-bladed knife or insulation saw and compress the roll slightly while cutting to help maintain control and accuracy\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eOnce unpacked, allow the insulation roll to fully expand before installation to ensure it reaches its full thickness and performs properly\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Superglass","offers":[{"title":"Default Title","offer_id":52654452539726,"sku":"BM007599","price":25.93,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/superglass-superglass-superwall-34-cavity-wall-batt-100mm-3-276m2-bm007599-mineral-fibre-insulation-1172609962.png?v=1749626294"},{"product_id":"75mm-knauf-insulation-dritherm®-cavity-slab-32-1-2m-x-455mm-6-per-pack","title":"75mm Knauf Insulation DriTherm® Cavity Slab 32  1.2m x 455mm (6 per pack)","description":"\u003cp\u003e\u003c!--StartFragment --\u003e\u003c\/p\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eWhere the cavity is fixed at 75mm and the U-value target is not, 75mm Knauf Insulation DriTherm® Cavity Slab 32 is the slab that gets the most out of the space available. At a thermal conductivity of 0.032 W\/mK it returns a thermal resistance of 2.30 m²K\/W from a 75mm full fill, more than a 75mm slab in either of the other DriTherm® grades manages.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eEach slab measures 1200mm x 455mm and is supplied 6 per pack, covering 3.276m². The 455mm width is set to suit standard vertical wall tie spacings, so slabs sit between ties with a closed joint against the slab beside them rather than needing trimming down every course.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eManufactured from water-repellent glass mineral wool with ECOSE® Technology, the slab is installed as the wall is built, friction fitted between the inner and outer leaves.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eHighest thermal resistance available from a 75mm full-fill DriTherm® slab at 2.30 m²K\/W\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThermal conductivity of 0.032 W\/mK\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e1200mm x 455mm slabs, 6 per pack covering 3.276m²\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e455mm width matched to standard vertical wall tie spacings\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWater-repellent additive resists moisture ingress\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eEuroclass A1 non-combustible\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFull fill removes the need for a residual cavity or retaining clips\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eManufactured with ECOSE® Technology bio-based binder\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCovered by BBA Agrément Certificate 95\/3212\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eGood to know\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSlab thickness must match the cavity width for a full fill to work as intended\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSlabs are friction fitted between wall ties as the wall is built, not retro-fixed\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eButt slabs tightly to adjacent slabs to keep the insulation layer continuous\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCuts cleanly with an insulation saw or serrated knife\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eAvoid crushing slab edges and corners in handling; damaged slabs should be discarded\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003ePackaging gives short-term protection only, so store indoors or under cover and off the ground\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003c!--EndFragment --\u003e\u003c\/p\u003e","brand":"Knauf","offers":[{"title":"Default Title","offer_id":52655591129422,"sku":"BM005129","price":31.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/knauf-knauf-insulation-dritherm-cavity-slab-32-1200mm-x-455mm-x-75mm-bm005129-mineral-fibre-insulation-1172607685.jpg?v=1749561246"},{"product_id":"100mm-knauf-insulation-dritherm®-cavity-slab-32-1-2m-x-455mm-6-per-pack","title":"100mm Knauf Insulation DriTherm® Cavity Slab 32  1.2m x 455mm (6 per pack)","description":"\u003cp\u003e\u003c!--StartFragment --\u003e\u003c\/p\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eThe 100mm cavity is the industry default, which makes the choice of slab within it the only real variable. 100mm Knauf Insulation DriTherm® Cavity Slab 32 is the highest performing option for that cavity across the DriTherm® range, returning a thermal resistance of 3.10 m²K\/W from a thermal conductivity of 0.032 W\/mK.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eSlabs measure 1200mm x 455mm and are supplied 6 per pack, covering 3.276m².\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eMineral wool earns that number in the wall as well as on paper. The slab adapts to slight imperfections in the substrate and knits together with the slabs around it, closing the air gaps that undermine as-built performance in a full-fill cavity. Rigid alternatives depend on a flat, true masonry face to achieve the same continuity, which construction rarely provides.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eHighest thermal resistance available in a 100mm DriTherm® slab at 3.10 m²K\/W\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThermal conductivity of 0.032 W\/mK\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eAdapts to substrate imperfections and knits together to close air gaps\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMaintains contact through settlement and movement over the life of the wall\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e1200mm x 455mm slabs, 6 per pack covering 3.276m²\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWater-repellent glass mineral wool\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eEuroclass A1 non-combustible\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFull-fill solution that does not require cavity barriers to meet Approved Document B requirements\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCarries the CCPI mark for product information\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eGood to know\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eAs-built performance depends on continuity, so tight butting between slabs matters as much as the declared figure\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSuits a nominal 100mm cavity; confirm the cavity width on the drawings before ordering\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eInstalled between wall ties as the wall is built\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSlabs should be stored dry and flat, and protected from prolonged sunlight\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eNo retaining discs or jointing tape are required\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMade using ECOSE® Technology, so slabs are soft to touch and low in dust\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003c!--EndFragment --\u003e\u003c\/p\u003e","brand":"Knauf","offers":[{"title":"Default Title","offer_id":52655592309070,"sku":"BM004665","price":40.82,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/knauf-knauf-insulation-dritherm-cavity-slab-32-1200mm-x-455mm-x-100mm-bm004665-mineral-fibre-insulation-1172607682.jpg?v=1749561236"},{"product_id":"125mm-knauf-insulation-dritherm®-cavity-slab-32-1-2m-x-455mm-4-per-pack","title":"125mm Knauf Insulation DriTherm® Cavity Slab 32  1.2m x 455mm (4 per pack)","description":"\u003cp\u003e\u003c!--StartFragment --\u003e\u003c\/p\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e125mm Knauf Insulation DriTherm® Cavity Slab 32 is specified where the wall has to carry the performance rather than share it with services or renewables. The slab gives a thermal resistance of 3.90 m²K\/W at a thermal conductivity of 0.032 W\/mK, sitting just short of 4.0 m²K\/W in a single full-fill layer.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eSlabs are 1200mm x 455mm, supplied 4 per pack and covering 2.184m².\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eFire performance is not a trade-off at this thickness. DriTherm® Cavity Slabs are non-combustible with a Euroclass A1 reaction to fire classification, the highest available, which is why a full-fill mineral wool cavity does not require cavity barriers to meet Approved Document B requirements. On a wide cavity carrying a lot of insulation, that removes a detail rather than adding one.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThermal resistance of 3.90 m²K\/W in a single full-fill layer\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThermal conductivity of 0.032 W\/mK\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eEuroclass A1 non-combustible, the highest reaction to fire classification available\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eDoes not require cavity barriers to meet Approved Document B requirements\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e1200mm x 455mm slabs, 4 per pack covering 2.184m²\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWater-repellent additive resists moisture ingress\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFriction fitted between wall ties without ancillary fixings\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eManufactured to BS EN 13162\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eLife equivalent to that of the wall structure it sits in\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eGood to know\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eA 125mm full fill needs wall ties specified to suit the cavity width, so check tie length at design stage\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSlab thickness and cavity width must match for a genuine full fill\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eDeep cavities carry more insulation per metre run, so plan deliveries against pack coverage\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSlabs are odourless and generate low levels of dust and VOCs\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eAwarded the Eurofins Gold Certificate for Indoor Air Comfort\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eProtect from the weather on site; polyethylene packaging is short-term protection only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003c!--EndFragment --\u003e\u003c\/p\u003e","brand":"Knauf","offers":[{"title":"Default Title","offer_id":52655592571214,"sku":"BM009000","price":34.37,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/knauf-knauf-insulation-dritherm-cavity-slab-32-1200mm-x-455mm-x-125mm-bm009000-mineral-fibre-insulation-1172607679.jpg?v=1749584400"},{"product_id":"150mm-knauf-insulation-dritherm®-cavity-slab-32-1-2m-x-455mm-4-per-pack","title":"150mm Knauf Insulation DriTherm® Cavity Slab 32  1.2m x 455mm (4 per pack)","description":"\u003cp\u003e\u003c!--StartFragment --\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eNothing in the DriTherm® range performs better than this. 150mm Knauf Insulation DriTherm® Cavity Slab 32 combines the deepest slab with the lowest thermal conductivity in the range, giving a thermal resistance of 4.65 m²K\/W from a single full-fill layer at 0.032 W\/mK.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eSlabs measure 1200mm x 455mm and are supplied 4 per pack, covering 2.184m².\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eSpecifications reaching this level tend to be scrutinised on more than thermal figures. DriTherm® Cavity Slabs are made with up to 80% recycled content, including glass recovered from windows, bottles and jars, contain no ozone-depleting substances or greenhouse gases, and carry the DECLARE 'Red List Free' label. Environmental Product Declarations are published in accordance with ISO 14025, ISO 21930 and EN 15804+A2.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eHighest thermal resistance in the DriTherm® range at 4.65 m²K\/W\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThermal conductivity of 0.032 W\/mK\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMade with up to 80% recycled glass content\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eContains no ozone-depleting substances or greenhouse gases\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eDECLARE 'Red List Free' label across the glass mineral wool range\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eEPDs published to ISO 14025, ISO 21930 and EN 15804+A2\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e1200mm x 455mm slabs, 4 per pack covering 2.184m²\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eEuroclass A1 non-combustible\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBES 6001 'Very Good' responsible sourcing rating across all three UK plants\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eGood to know\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eA 150mm cavity requires wall ties, lintels and cavity trays specified for that width\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFull-fill construction is covered by BBA 95\/3212 to 25m in multi-storey applications\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eConfirm the constructed cavity width matches the slab before ordering\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSlabs knit together to eliminate air gaps, so butt them closely at every joint\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCompression packaging means more product per pack and fewer deliveries per m²\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eStore indoors or under cover, off the ground and out of prolonged sunlight\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003c!--EndFragment --\u003e\u003c\/p\u003e","brand":"Knauf","offers":[{"title":"Default Title","offer_id":52655592931662,"sku":"BM007043","price":41.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/knauf-knauf-insulation-dritherm-cavity-slab-32-1200mm-x-455mm-x-150mm-bm007043-mineral-fibre-insulation-1172607676.jpg?v=1749584293"},{"product_id":"50mm-knauf-insulation-dritherm®-cavity-slab-37-1-2m-x-455mm-12-per-pack","title":"50mm Knauf Insulation DriTherm® Cavity Slab 37  1.2m x 455mm (12 per pack)","description":"\u003cp\u003e\u003c!--StartFragment --\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e50mm Knauf Insulation DriTherm® Cavity Slab 37 is the slimmest slab Knauf produces in the DriTherm® range, made for narrow cavities where a thicker full fill is not an option. Thermal resistance is 1.35 m²K\/W at a thermal conductivity of 0.037 W\/mK.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eSlabs are 1200mm x 455mm and supplied 12 per pack, covering 6.552m², which is the joint largest pack coverage across the whole DriTherm® range.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eNarrow cavities are common in garages, outbuildings, boundary walls and older cavity constructions being extended or made good. The slab is friction fitted between wall ties as the masonry goes up, exactly as the deeper slabs are, so the method does not change with the thickness.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSlimmest slab in the DriTherm® range at 50mm\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThermal resistance of 1.35 m²K\/W\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThermal conductivity of 0.037 W\/mK\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e12 slabs per pack covering 6.552m², the joint largest pack coverage in the range\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e1200mm x 455mm slabs to suit standard vertical wall tie spacings\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWater-repellent glass mineral wool\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eEuroclass A1 non-combustible\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFriction fitted between wall ties without ancillary products\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCovered by BBA Agrément Certificate 95\/3212\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eGood to know\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eDesigned for a 50mm cavity; a thicker cavity needs a thicker slab, not two thin layers\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eNarrow cavities leave less tolerance for mortar snots and debris, so keep the cavity clean\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCuts cleanly with an insulation saw or serrated knife\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSlabs are light and comfortable to handle\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMade with ECOSE® Technology, generating low levels of dust and VOCs\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eStore under cover, off the ground and out of prolonged sunlight\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003c!--EndFragment --\u003e\u003c\/p\u003e","brand":"Knauf","offers":[{"title":"Default Title","offer_id":52655593161038,"sku":"BM004684","price":23.17,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/knauf-knauf-insulation-dritherm-cavity-slab-37-1200mm-x-455mm-x-50mm-bm004684-mineral-fibre-insulation-1172607673.jpg?v=1749584284"},{"product_id":"75mm-knauf-insulation-dritherm®-cavity-slab-37-1-2m-x-455mm-8-per-pack","title":"75mm Knauf Insulation DriTherm® Cavity Slab 37  1.2m x 455mm (8 per pack)","description":"\u003cp\u003e\u003c!--StartFragment --\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e75mm Knauf Insulation DriTherm® Cavity Slab 37 is a water-repellent glass mineral wool slab for external full-fill masonry cavity walls, giving a thermal resistance of exactly 2.00 m²K\/W at a thermal conductivity of 0.037 W\/mK. Slabs are 1200mm x 455mm, supplied 8 per pack and covering 4.368m².\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eHandling is a real consideration on a job with a lot of cavity to fill. Slabs made with ECOSE® Technology use a bio-based binder containing no added formaldehyde or phenol, made from rapidly renewable raw materials and 70% less energy-intensive to manufacture than traditional binders. The practical result on site is a slab that is soft to touch, comfortable to handle and low in dust.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eThat matters most on the days when someone is cutting and fitting slabs from first lift to last.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThermal resistance of 2.00 m²K\/W\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThermal conductivity of 0.037 W\/mK\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eECOSE® Technology bio-based binder with no added formaldehyde or phenol\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSoft to touch, comfortable to handle and low in dust\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e70% less energy-intensive to manufacture than traditional binders\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e1200mm x 455mm slabs, 8 per pack covering 4.368m²\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWater-repellent glass mineral wool\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eEuroclass A1 non-combustible\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCovered by BBA Agrément Certificate 95\/3212\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eGood to know\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSuits a 75mm cavity; slab thickness should match cavity width\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eInstalled as the wall is built, friction fitted between wall ties\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eKeep slabs tightly butted so there is no gap between adjacent slabs\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCuts cleanly with standard insulation tools\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCertified by EUCEB as made from non-classified fibres\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003ePackaging offers short-term protection only; store under cover for anything longer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003c!--EndFragment --\u003e\u003c\/p\u003e","brand":"Knauf","offers":[{"title":"Default Title","offer_id":52655594635598,"sku":"BM004674","price":18.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/knauf-knauf-insulation-dritherm-cavity-slab-37-1200mm-x-455mm-x-75mm-bm004674-mineral-fibre-insulation-1172607667.jpg?v=1749584165"},{"product_id":"100mm-knauf-insulation-dritherm®-cavity-slab-37-1-2m-x-455mm-12-per-pack","title":"100mm Knauf Insulation DriTherm® Cavity Slab 37  1.2m x 455mm (12 per pack)","description":"\u003cp\u003e\u003c!--StartFragment --\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003ePack coverage is where 100mm Knauf Insulation DriTherm® Cavity Slab 37 stands apart. At 12 slabs per pack covering 6.552m², it carries more wall area per pack than any other 100mm slab in the DriTherm® range, which shows up in cost per square metre and in how many packs need moving around a busy plot.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eThermal resistance is 2.70 m²K\/W at a thermal conductivity of 0.037 W\/mK, from 1200mm x 455mm slabs.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eFor volume housebuilding on a standard 100mm cavity where the target U-value is achievable at this grade, that combination is difficult to argue with: the same certification, the same installation method and the same Euroclass A1 fire performance as the higher grades, delivered across more square metres per pack.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eLargest pack coverage of any 100mm DriTherm® slab at 6.552m², 12 slabs per pack\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThermal resistance of 2.70 m²K\/W\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThermal conductivity of 0.037 W\/mK\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e1200mm x 455mm slabs to suit standard vertical wall tie spacings\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFewer packs to handle and store per square metre of wall\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWater-repellent glass mineral wool\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eEuroclass A1 non-combustible\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFriction fit between wall ties with no ancillary products\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCovered by BBA Agrément Certificate 95\/3212\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eGood to know\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCheck the target U-value first; if 37 grade does not reach it, the 34 or 32 slab in the same thickness will\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSuits a nominal 100mm cavity\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eLarger packs are heavier, so plan offloading and site storage\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSlabs must be tightly butted to maintain continuous coverage\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCompression packaging means less packaging waste per square metre\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eStore indoors or under cover, off the ground and protected from the elements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003c!--EndFragment --\u003e\u003c\/p\u003e","brand":"Knauf","offers":[{"title":"Default Title","offer_id":52655596470606,"sku":"BM003406","price":35.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/knauf-knauf-insulation-dritherm-cavity-slab-37-1200mm-x-455mm-x-100mm-bm003406-mineral-fibre-insulation-1172607661.jpg?v=1749584050"},{"product_id":"125mm-knauf-insulation-dritherm®-cavity-slab-37-1-2m-x-455mm-6-per-pack","title":"125mm Knauf Insulation DriTherm® Cavity Slab 37  1.2m x 455mm (6 per pack)","description":"\u003cp\u003e\u003c!--StartFragment --\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e125mm Knauf Insulation DriTherm® Cavity Slab 37 is a water-repellent glass mineral wool slab for external full-fill masonry cavity walls, giving a thermal resistance of 3.35 m²K\/W at a thermal conductivity of 0.037 W\/mK. Slabs are 1200mm x 455mm and supplied 6 per pack, covering 3.276m².\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eWidening the cavity is the alternative to upgrading the grade, and it is frequently the cheaper of the two. A 125mm slab at 37 grade delivers more thermal resistance than a 100mm slab at 32 grade, which is worth checking against the wall build-up before defaulting to the higher specification product.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eThe construction cost of the wider cavity has to be weighed against the saving on the slab, but on schemes where the cavity width is not yet fixed, it is a calculation worth doing.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThermal resistance of 3.35 m²K\/W\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThermal conductivity of 0.037 W\/mK\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eOutperforms a 100mm slab in the highest DriTherm® grade\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e1200mm x 455mm slabs, 6 per pack covering 3.276m²\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWater-repellent additive resists moisture ingress\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eEuroclass A1 non-combustible\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFull fill without cavity barriers under Approved Document B\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCarries the CCPI mark for clear and accurate product information\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBES 6001 'Very Good' responsible sourcing rating\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eGood to know\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWidening a cavity affects wall ties, lintels, trays and reveals, so cost the whole build-up\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSlab thickness must match cavity width for a full fill\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eU-value calculations should follow BS EN ISO 6946 or BS EN ISO 10211 with BR443 guidance\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eButt slabs tightly at every joint\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSlabs are light and comfortable to handle\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eStore dry and flat, protected from prolonged sunlight\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003c!--EndFragment --\u003e\u003c\/p\u003e","brand":"Knauf","offers":[{"title":"Default Title","offer_id":52655602925902,"sku":"BM007508","price":22.82,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/knauf-knauf-insulation-dritherm-cavity-slab-37-1200mm-x-455mm-x-125mm-bm007508-mineral-fibre-insulation-1172607655.jpg?v=1749583932"},{"product_id":"150mm-knauf-insulation-dritherm®-cavity-slab-37-1-2m-x-455mm-8-per-pack","title":"150mm Knauf Insulation DriTherm® Cavity Slab 37  1.2m x 455mm (8 per pack)","description":"\u003cp\u003e\u003c!--StartFragment --\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e150mm Knauf Insulation DriTherm® Cavity Slab 37 is the deepest slab in the 37 range, giving a thermal resistance of 4.05 m²K\/W at a thermal conductivity of 0.037 W\/mK. Slabs measure 1200mm x 455mm and are supplied 8 per pack, covering 4.368m².\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eHeight limits are worth checking whenever a full-fill cavity gets this deep, because they govern the construction rather than the slab. DriTherm® Cavity Slabs are approved for use in buildings up to 12m high in any exposure zone, subject to the requirements of the BBA certification being met, and for multi-storey applications up to 25m in height.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eBeyond a thermal figure, that certificated scope is what allows the same product to run from a two-storey house to a mid-rise block.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThermal resistance of 4.05 m²K\/W, the highest available in DriTherm® 37\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThermal conductivity of 0.037 W\/mK\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eApproved for buildings up to 12m in any exposure zone\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eApproved for multi-storey applications up to 25m in height\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e1200mm x 455mm slabs, 8 per pack covering 4.368m²\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWater-repellent glass mineral wool\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eEuroclass A1 non-combustible\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eManufactured to BS EN 13162 under ISO 9001, 14001, 45001 and 50001 certified systems\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eLife equivalent to that of the wall structure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eGood to know\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eHeight and exposure zone both govern the approved scope, so establish them at design stage\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eA 150mm cavity needs ties, lintels and cavity trays specified for the width\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSlab thickness must match cavity width for a genuine full fill\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eKeep slabs tightly butted so no gaps form in the insulation layer\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCover exposed work at the end of each day and in heavy rain\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSlabs are rot proof, non-hygroscopic and will not sustain vermin\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003c!--EndFragment --\u003e\u003c\/p\u003e","brand":"Knauf","offers":[{"title":"Default Title","offer_id":52655603384654,"sku":"BM005984","price":36.92,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/knauf-knauf-insulation-dritherm-cavity-slab-37-1200mm-x-455mm-x-150mm-bm005984-mineral-fibre-insulation-1172607649.jpg?v=1749583815"},{"product_id":"65mm-knauf-insulation-dritherm®-cavity-slab-37-1-2m-x-455mm-10-per-pack","title":"65mm Knauf Insulation DriTherm® Cavity Slab 37  1.2m x 455mm (10 per pack)","description":"\u003cp\u003e\u003c!--StartFragment --\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eNot every cavity is a round number, and 65mm Knauf Insulation DriTherm® Cavity Slab 37 exists for the ones that are not. It returns a thermal resistance of 1.75 m²K\/W at a thermal conductivity of 0.037 W\/mK, filling a 65mm cavity completely rather than leaving the void a nominal 50mm or 75mm slab would.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eSlabs measure 1200mm x 455mm and are supplied 10 per pack, covering 5.460m².\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eThe 455mm slab width is deliberate. It matches standard vertical wall tie spacings, so each slab drops between the ties and closes tight against the one below it. Coverage figures assume that fit, which is why measuring the cavity and the tie spacing before ordering is worth the five minutes.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSized for a 65mm cavity where a 50mm or 75mm slab would not fully fill\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThermal resistance of 1.75 m²K\/W\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThermal conductivity of 0.037 W\/mK\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e455mm width matched to standard vertical wall tie spacings\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e10 slabs per pack covering 5.460m²\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWater-repellent additive resists moisture ingress\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eEuroclass A1 non-combustible\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFull fill without cavity barriers under Approved Document B\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eProduct declaration in conformity with BS EN 13162\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eGood to know\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMeasure the built cavity width, not the drawing, before committing to a thickness\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eA partially filled cavity does not perform as a full-fill construction\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eButt slabs tightly at every joint to keep the layer continuous\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSlabs adapt to slight imperfections in the substrate, unlike rigid boards\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eAwarded the Eurofins Gold Certificate for Indoor Air Comfort\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eDamaged, contaminated or wet slabs must not be used\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003c!--EndFragment --\u003e\u003c\/p\u003e","brand":"Knauf","offers":[{"title":"Default Title","offer_id":53007276736846,"sku":"BM010026","price":20.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/knauf-knauf-insulation-dritherm-cavity-slab-37-1200mm-x-455mm-x-50mm-bm004684-mineral-fibre-insulation-1172607673.jpg?v=1749584284"},{"product_id":"85mm-knauf-insulation-dritherm®-cavity-slab-32-1-2m-x-455mm-5-per-pack","title":"85mm Knauf Insulation DriTherm® Cavity Slab 32  1.2m x 455mm (5 per pack)","description":"\u003cp\u003e\u003c!--StartFragment --\u003e\u003c\/p\u003e\n\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eExposure is what usually decides a cavity wall specification on the coast or on high ground, and 85mm Knauf Insulation DriTherm® Cavity Slab 32 is certificated for it. DriTherm® Cavity Slabs hold BBA Agrément Certificate 95\/3212 for use in all exposure zones, including those classed as Very Severe, when installed, used and maintained in line with that certificate.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eThe slab delivers a thermal resistance of 2.65 m²K\/W from a thermal conductivity of 0.032 W\/mK. Slabs are 1200mm x 455mm and supplied 5 per pack, covering 2.730m².\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eThe BBA certificate also confirms that DriTherm® slabs will not transmit water to the inner leaf of a masonry cavity wall, nor carry moisture by capillary action across the cavity or up from below damp proof course level. That, rather than the water-repellent additive alone, is what makes a full-fill approach viable in exposed locations.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThermal resistance of 2.65 m²K\/W at 0.032 W\/mK\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCertificated by the BBA for use in all exposure zones, including Very Severe\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWill not transmit water to the inner leaf or by capillary action across the cavity\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e1200mm x 455mm slabs, 5 per pack covering 2.730m²\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eNon-combustible glass mineral wool with Euroclass A1 reaction to fire\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFibres are unaltered by wetting, so thermal properties are unaffected by moisture\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eRot proof, non-hygroscopic and will not sustain vermin\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMade with up to 80% recycled content\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eProduct declaration in conformity with BS EN 13162\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eGood to know\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFull-fill construction is approved to 12m in any exposure zone, and to 25m in multi-storey applications\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eExposure zone should be established at design stage, as it governs the wall construction as a whole\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSlabs are 85mm to suit an 85mm cavity; check the cavity width before ordering\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eExposed slab faces should be covered at the end of each working day or in heavy rain\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWet, damaged or contaminated slabs must not be used\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSlabs are light to handle and cut on site with standard tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003c!--EndFragment --\u003e\u003c\/p\u003e","brand":"Knauf","offers":[{"title":"Default Title","offer_id":54556999024974,"sku":"BM010022","price":29.41,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/knauf-knauf-insulation-dritherm-cavity-slab-32-1200mm-x-455mm-x-75mm-bm005129-mineral-fibre-insulation-1172607685.jpg?v=1749561246"},{"product_id":"85mm-knauf-insulation-dritherm®-cavity-slab-37-1-2m-x-455mm-8-per-pack","title":"85mm Knauf Insulation DriTherm® Cavity Slab 37  1.2m x 455mm (8 per pack)","description":"\u003cp\u003e\u003c!--StartFragment --\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e85mm Knauf Insulation DriTherm® Cavity Slab 37 fills an 85mm masonry cavity completely, returning a thermal resistance of 2.25 m²K\/W at a thermal conductivity of 0.037 W\/mK. Slabs measure 1200mm x 455mm and are supplied 8 per pack, covering 4.368m².\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eFull-fill mineral wool simplifies the fire strategy for a cavity wall. Because DriTherm® Cavity Slabs are non-combustible with a Euroclass A1 reaction to fire classification and the cavity is completely filled, cavity barriers are not required to meet Approved Document B requirements. On a partial-fill build-up, those barriers are an additional product, an additional trade interface and an additional inspection point.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eInstall as the wall is built, friction fitted between the leaves and between wall ties.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThermal resistance of 2.25 m²K\/W in an 85mm full-fill cavity\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThermal conductivity of 0.037 W\/mK\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eEuroclass A1 non-combustible, the highest classification available\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFull-fill solution that does not require cavity barriers under Approved Document B\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e1200mm x 455mm slabs, 8 per pack covering 4.368m²\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWater-repellent additive resists moisture ingress\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eNo retaining discs, clips or jointing tape required\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eApproved for masonry cavity walls up to 25 metres in height\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eManufactured to BS EN 13162\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eGood to know\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFire strategy is a whole-building matter; confirm requirements against the project specification\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eAn 85mm slab is for an 85mm cavity, not a partial fill of something wider\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWall ties should be specified to suit the cavity width\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eButt slabs tightly and keep the cavity free of mortar droppings\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSlabs will not encourage the growth of fungi, mould or bacteria\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCover exposed slab faces at the end of each day's work or in heavy rain\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003c!--EndFragment --\u003e\u003c\/p\u003e","brand":"Knauf","offers":[{"title":"Default Title","offer_id":54557219815758,"sku":"BM009978","price":20.78,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/knauf-knauf-insulation-dritherm-cavity-slab-37-1200mm-x-455mm-x-50mm-bm004684-mineral-fibre-insulation-1172607673.jpg?v=1749584284"},{"product_id":"75mm-knauf-insulation-dritherm®-cavity-slab-34-1-2m-x-455mm-10-per-pack","title":"75mm Knauf Insulation DriTherm® Cavity Slab 34  1.2m x 455mm (10 per pack)","description":"\u003cp\u003e\u003c!--StartFragment --\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e75mm Knauf Insulation DriTherm® Cavity Slab 34 covers more wall per pack than any other 75mm slab in the range: 10 slabs of 1200mm x 455mm giving 5.460m² per pack. On a large plot with a lot of linear metres to fill, that is fewer packs to move, open and dispose of.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eThermal resistance is 2.20 m²K\/W at a thermal conductivity of 0.034 W\/mK.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eKnauf's three-tier compression packaging is what makes the pack count possible. More product goes onto each pack and pallet, which means less polyethylene per m² of insulation, fewer vehicles carrying the same coverage, and less storage space taken up on site. The wrapping itself is made from 30 to 50% recycled plastic and is fully recyclable.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e10 slabs per pack covering 5.460m², the widest 75mm coverage in the DriTherm® range\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThermal resistance of 2.20 m²K\/W\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThermal conductivity of 0.034 W\/mK\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e1200mm x 455mm slabs sized to standard vertical wall tie spacings\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCompression packaging reduces packaging, transport and site storage per m²\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003ePackaging made from 30 to 50% recycled LDPE and fully recyclable\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWater-repellent glass mineral wool\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eEuroclass A1 non-combustible\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCovered by BBA Agrément Certificate 95\/3212\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eGood to know\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSuits a 75mm cavity; the slab must match the cavity width to fully fill it\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eLarger packs are heavier to move, so plan unloading and site storage accordingly\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSlabs must be tightly butted to keep the insulation layer continuous\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSlabs are light and easy to handle, but edges and corners crush if mishandled\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eIf the main hood is removed or damaged, keep remaining packs under cover\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eManufactured with ECOSE® Technology, containing no added formaldehyde or phenol\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003c!--EndFragment --\u003e\u003c\/p\u003e","brand":"Knauf","offers":[{"title":"Default Title","offer_id":54868311114062,"sku":"BM010024","price":43.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/knauf-knauf-insulation-dritherm-cavity-slab-32-1200mm-x-455mm-x-150mm-bm007043-mineral-fibre-insulation-1172607674.jpg?v=1758716307"},{"product_id":"100mm-knauf-insulation-dritherm®-cavity-slab-34-1-2m-x-455mm-8-per-pack","title":"100mm Knauf Insulation DriTherm® Cavity Slab 34  1.2m x 455mm (8 per pack)","description":"\u003cp\u003e\u003c!--StartFragment --\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eIf there is a default full-fill cavity slab in British housebuilding, 100mm Knauf Insulation DriTherm® Cavity Slab 34 is it: a 100mm slab in a 100mm cavity, giving a thermal resistance of 2.90 m²K\/W at a thermal conductivity of 0.034 W\/mK.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eSlabs measure 1200mm x 455mm and are supplied 8 per pack, covering 4.368m².\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eInstallation is the reason it holds that position. Slabs are friction fitted between the inner and outer leaves as the wall is built, sitting between the wall ties without retaining discs, clips or jointing tape. There is no second product to order, nothing to fix and nothing to go wrong in sequencing, which keeps the bricklaying rhythm intact.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThermal resistance of 2.90 m²K\/W in a standard 100mm cavity\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThermal conductivity of 0.034 W\/mK\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFriction fit between wall ties with no retaining discs or jointing tape required\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e1200mm x 455mm slabs, 8 per pack covering 4.368m²\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eInstalled as the wall is built, keeping the bricklaying sequence simple\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWater-repellent additive resists moisture ingress\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eEuroclass A1 non-combustible\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFull-fill solution that does not require cavity barriers under Approved Document B\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eManufactured to BS EN 13162\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eGood to know\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWall ties should be at standard vertical spacings for slabs to sit cleanly between them\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSlab thickness and cavity width must match; a 100mm slab is for a 100mm cavity\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eKeep mortar droppings off the slab tops as work proceeds\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCuts cleanly with an insulation saw for closing at reveals and returns\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSlabs will not encourage the growth of fungi, mould or bacteria\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCover exposed slab faces at the end of each working day or in heavy rain\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003c!--EndFragment --\u003e\u003c\/p\u003e","brand":"Knauf","offers":[{"title":"Default Title","offer_id":54868318028110,"sku":"BM010025","price":41.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/knauf-knauf-insulation-dritherm-cavity-slab-32-1200mm-x-455mm-x-150mm-bm007043-mineral-fibre-insulation-1172607674.jpg?v=1758716307"},{"product_id":"125mm-knauf-insulation-dritherm®-cavity-slab-34-1-2m-x-455mm-6-per-pack","title":"125mm Knauf Insulation DriTherm® Cavity Slab 34  1.2m x 455mm (6 per pack)","description":"\u003cp\u003e\u003c!--StartFragment --\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eStepping from a 100mm cavity to 125mm is often the cheapest route to a better U-value, and 125mm Knauf Insulation DriTherm® Cavity Slab 34 is the slab that follows it. Thermal resistance is 3.65 m²K\/W at a thermal conductivity of 0.034 W\/mK, a clear gain on the 2.90 m²K\/W available from the same grade at 100mm.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eSlabs are 1200mm x 455mm and supplied 6 per pack, covering 3.276m².\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eThe material behaves well over the long term at any depth. DriTherm® Cavity Slabs are odourless, rot proof, non-hygroscopic and will not sustain vermin, and Knauf states that the product will have a life equivalent to that of the wall structure it sits within. There is no degradation curve to allow for in the calculation.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThermal resistance of 3.65 m²K\/W, a substantial step up from the 100mm slab in the same grade\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThermal conductivity of 0.034 W\/mK\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eOdourless, rot proof and non-hygroscopic\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWill not sustain vermin or encourage fungi, mould or bacteria\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eLife equivalent to that of the wall structure\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e1200mm x 455mm slabs, 6 per pack covering 3.276m²\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eEuroclass A1 non-combustible\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWater-repellent glass mineral wool\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCertified by EUCEB as made from non-classified fibres\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eGood to know\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eConfirm wall tie length is specified for a 125mm cavity\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThe slab must match the cavity width to achieve a full fill\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eIncreasing cavity width affects lintels, cavity trays and reveal details, not just the slab\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSlabs knit together at joints, so butt them tightly for continuous coverage\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eStore dry, flat and protected from prolonged sunlight\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eDiscard any slab that has become wet, damaged or contaminated\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003c!--EndFragment --\u003e\u003c\/p\u003e","brand":"Knauf","offers":[{"title":"Default Title","offer_id":54868329890126,"sku":"BM010023","price":38.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/knauf-knauf-insulation-dritherm-cavity-slab-34-1200mm-x-455mm-x-75mm-mineral-fibre-insulation-1194540091.webp?v=1758721672"},{"product_id":"150mm-knauf-insulation-dritherm®-cavity-slab-34-1-2m-x-455mm-5-per-pack","title":"150mm Knauf Insulation DriTherm® Cavity Slab 34  1.2m x 455mm (5 per pack)","description":"\u003cp\u003e\u003c!--StartFragment --\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e150mm Knauf Insulation DriTherm® Cavity Slab 34 is the deepest slab in the 34 range, giving a thermal resistance of 4.40 m²K\/W from a thermal conductivity of 0.034 W\/mK in a single full-fill layer. Slabs measure 1200mm x 455mm and are supplied 5 per pack, covering 2.730m².\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eWide cavities put more of the wall's performance in the hands of the insulation, which puts more weight on how it behaves when wet. The water-repellent additive leaves the physical and chemical characteristics of the fibres unaltered by wetting, so thermal properties are not affected by exposure to moisture and the slab performs as expected once dry and undamaged.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eThat is the practical difference between a water-repellent mineral wool and a material that simply resists water at the surface.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThermal resistance of 4.40 m²K\/W at 0.034 W\/mK\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFibre characteristics unaltered by wetting, so thermal performance is not affected by moisture\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003ePerforms as expected once dry and undamaged\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e1200mm x 455mm slabs, 5 per pack covering 2.730m²\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWater-repellent additive gives a further line of defence against moisture ingress in construction\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eEuroclass A1 non-combustible\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eVapour resistivity of 5.00 MNs\/g.m\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eApproved by the BBA for full-fill masonry cavity walls up to 25 metres in height\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eManufactured under ISO 9001, ISO 14001, ISO 45001 and ISO 50001 certified systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003e\u003cstrong\u003eGood to know\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eA 150mm cavity requires wall ties, lintels and trays specified for that width\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSlab thickness must match the cavity width for a full fill\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSlabs that have become saturated must not be used, even though the fibres are water-repellent\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCover exposed work at the end of each day and in heavy rain\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eIn coastal locations use additional covering or store indoors\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSlabs are light to handle; avoid crushing edges and corners\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003c!--EndFragment --\u003e\u003c\/p\u003e","brand":"Knauf","offers":[{"title":"Default Title","offer_id":54868336705870,"sku":"BM005986","price":39.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/knauf-knauf-insulation-dritherm-cavity-slab-34-1200mm-x-455mm-x-75mm-mineral-fibre-insulation-1194540091.webp?v=1758721672"},{"product_id":"75mm-superglass-superwall-32-cavity-wall-batt","title":"75mm Superglass Superwall 32 Cavity Wall Batt","description":"\u003cp class=\"MsoNormal\"\u003eSuperglass Superwall 32 75mm is a BBA approved high-quality glass mineral wool insulation designed for use in full or partial fill masonry cavity walls. Supplied in 455mm wide batts, it fits neatly between wall ties for quick installation with minimal waste. Offering excellent thermal performance, Superwall 32 helps to keep your home warm, energy-efficient, and comfortable all year round.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eBenefits\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eExtremely durable, meaning it won't rot, degrade, or support the growth of mould and bacteria.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMade from up to 84% recycled glass\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eCan be used i\u003cspan\u003en full or partial fill of new external masonry cavity walls\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eExcellent thermal performance with a thermal conductivity of 0.032W\/m·K\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eA nominal vapour resistivity of 5MNs\/gm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\u003cspan\u003eBBA approved for use in all UK exposure zones (subject to conditions detailed in the BBA Certificate).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eComplies with the key standards for wool insulation and is certified under CCPI with UKCA\/CE markings\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eRated A+ in the BRE Green Guide\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMeets ISO 14001 environmental management standards\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eDoes not contain any ozone-depleting substances\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMade from non-combustible material and holds a Euroclass A1 fire rating (this is the highest classification under BS EN 13501-1)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eGood to know\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eSuitable for use where it bridges the DPC, provided the wall detailing meets national Building Regulation requirements to stop damp reaching the inner leaf.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003ePlease store under cover and clear of the ground. Avoid prolonged exposure to the elements, especially direct sunlight and rain\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eSpecialist PPE is not required, although if you are cutting the insulation in an unventilated area, it is recommended to use a suitable dust mask\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eFor the cleanest results, use a long-bladed knife or insulation saw and compress the roll slightly while cutting to help maintain control and accuracy\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eOnce unpacked, allow the insulation roll to fully expand before installation to ensure it reaches its full thickness and performs properly\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Superglass","offers":[{"title":"Default Title","offer_id":55018749002062,"sku":"BM011390","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/superglass-superglass-superwall-32-cavity-wall-batt-100mm-bm01970-mineral-fibre-insulation-1172609965.png?v=1749626401"},{"product_id":"125mm-superglass-superwall-34-cavity-wall-batt","title":"125mm Superglass Superwall 34 Cavity Wall Batt","description":"\u003cp class=\"MsoNormal\"\u003eSuperglass Superwall 34 125mm is a BBA approved high-quality glass mineral wool insulation designed for use in full or partial fill masonry cavity walls. Supplied in 455mm wide batts, it fits neatly between wall ties for quick installation with minimal waste. Offering excellent thermal performance, Superwall 34 helps to keep your home warm, energy-efficient, and comfortable all year round.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eBenefits\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eExtremely durable, meaning it won't rot, degrade, or support the growth of mould and bacteria.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMade from up to 84% recycled glass\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eCan be used i\u003cspan\u003en full or partial fill of new external masonry cavity walls\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eExcellent thermal performance with a thermal conductivity of 0.034W\/m·K\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eA nominal vapour resistivity of 5MNs\/gm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\u003cspan\u003eBBA approved for use in all UK exposure zones (subject to conditions detailed in the BBA Certificate).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eComplies with the key standards for wool insulation and is certified under CCPI with UKCA\/CE markings\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eRated A+ in the BRE Green Guide\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMeets ISO 14001 environmental management standards\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eDoes not contain any ozone-depleting substances\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMade from non-combustible material and holds a Euroclass A1 fire rating (this is the highest classification under BS EN 13501-1)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eGood to know\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eSuitable for use where it bridges the DPC, provided the wall detailing meets national Building Regulation requirements to stop damp reaching the inner leaf.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003ePlease store under cover and clear of the ground. Avoid prolonged exposure to the elements, especially direct sunlight and rain\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eSpecialist PPE is not required, although if you are cutting the insulation in an unventilated area, it is recommended to use a suitable dust mask\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eFor the cleanest results, use a long-bladed knife or insulation saw and compress the roll slightly while cutting to help maintain control and accuracy\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eOnce unpacked, allow the insulation roll to fully expand before installation to ensure it reaches its full thickness and performs properly\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Superglass","offers":[{"title":"Default Title","offer_id":55018972840270,"sku":"BM02349","price":34.34,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/superglass-superglass-superwall-34-cavity-wall-batt-100mm-3-276m2-bm007599-mineral-fibre-insulation-1172609962.png?v=1749626294"},{"product_id":"150mm-superglass-superwall-34-cavity-wall-batt","title":"150mm Superglass Superwall 34 Cavity Wall Batt","description":"\u003cp class=\"MsoNormal\"\u003eSuperglass Superwall 34 150mm is a BBA approved high-quality glass mineral wool insulation designed for use in full or partial fill masonry cavity walls. Supplied in 455mm wide batts, it fits neatly between wall ties for quick installation with minimal waste. Offering excellent thermal performance, Superwall 34 helps to keep your home warm, energy-efficient, and comfortable all year round.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eBenefits\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eExtremely durable, meaning it won't rot, degrade, or support the growth of mould and bacteria.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMade from up to 84% recycled glass\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eCan be used i\u003cspan\u003en full or partial fill of new external masonry cavity walls\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eExcellent thermal performance with a thermal conductivity of 0.034W\/m·K\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eA nominal vapour resistivity of 5MNs\/gm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\u003cspan\u003eBBA approved for use in all UK exposure zones (subject to conditions detailed in the BBA Certificate).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eComplies with the key standards for wool insulation and is certified under CCPI with UKCA\/CE markings\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eRated A+ in the BRE Green Guide\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMeets ISO 14001 environmental management standards\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eDoes not contain any ozone-depleting substances\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMade from non-combustible material and holds a Euroclass A1 fire rating (this is the highest classification under BS EN 13501-1)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eGood to know\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eSuitable for use where it bridges the DPC, provided the wall detailing meets national Building Regulation requirements to stop damp reaching the inner leaf.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003ePlease store under cover and clear of the ground. Avoid prolonged exposure to the elements, especially direct sunlight and rain\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eSpecialist PPE is not required, although if you are cutting the insulation in an unventilated area, it is recommended to use a suitable dust mask\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eFor the cleanest results, use a long-bladed knife or insulation saw and compress the roll slightly while cutting to help maintain control and accuracy\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eOnce unpacked, allow the insulation roll to fully expand before installation to ensure it reaches its full thickness and performs properly\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Superglass","offers":[{"title":"Default Title","offer_id":55018973036878,"sku":"BM02350","price":27.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/superglass-superglass-superwall-34-cavity-wall-batt-100mm-3-276m2-bm007599-mineral-fibre-insulation-1172609962.png?v=1749626294"},{"product_id":"150mm-rockwool-full-fill-cavity-batt-1-2m-x-455mm","title":"150mm Rockwool Full Fill Cavity Batt  1.2m x 455mm","description":"\u003cp data-start=\"76\" data-end=\"491\"\u003eThe Rockwool Full Fill Cavity Batt is a semi-rigid stone wool insulation slab designed for superior thermal, acoustic, and fire performance in masonry cavity walls. Fully filling the cavity without the need for air gaps, it provides consistent insulation, enhanced energy efficiency, and excellent moisture resistance.\u003c\/p\u003e\n\u003cp data-start=\"493\" data-end=\"507\"\u003e\u003cstrong data-start=\"493\" data-end=\"505\"\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"648\" data-end=\"797\"\u003eDelivers excellent thermal insulation with a low thermal conductivity of 0.037 W\/m·K, helping to reduce heat loss and improve energy efficiency\u003c\/li\u003e\n\u003cli data-start=\"800\" data-end=\"896\"\u003eEuroclass A1 non-combustible, providing the highest level of fire safety and peace of mind\u003c\/li\u003e\n\u003cli data-start=\"899\" data-end=\"1004\"\u003eWater-repellent yet breathable, allowing moisture vapour to pass through while preventing water ingress\u003c\/li\u003e\n\u003cli data-start=\"1007\" data-end=\"1112\"\u003eSemi-rigid batts fit snugly between wall ties, ensuring a continuous insulation layer with minimal gaps\u003c\/li\u003e\n\u003cli data-start=\"1115\" data-end=\"1226\"\u003eProvides effective acoustic absorption, reducing sound transmission through external and separating walls\u003c\/li\u003e\n\u003cli data-start=\"1229\" data-end=\"1332\"\u003eDurable and dimensionally stable, maintaining performance throughout the lifetime of the building\u003c\/li\u003e\n\u003cli data-start=\"1335\" data-end=\"1472\"\u003eManufactured from natural volcanic rock and recycled materials, supporting sustainable and environmentally responsible construction\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1134\" data-end=\"1152\"\u003e\u003cstrong data-start=\"1134\" data-end=\"1150\"\u003eGood to Know\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1505\" data-end=\"1602\"\u003eSuitable for use in new build external masonry cavity walls and party wall applications\u003c\/li\u003e\n\u003cli data-start=\"1605\" data-end=\"1759\"\u003eCan be used in buildings up to and including 12 metres in height in England and Wales, and up to 25 metres in Scotland (check local regulations)\u003c\/li\u003e\n\u003cli data-start=\"1762\" data-end=\"1853\"\u003eAvailable in a range of thicknesses\u003c\/li\u003e\n\u003cli\u003eEasily cut using a utility knife; wear gloves and a dust mask when cutting in unventilated areas\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1934\" data-end=\"1993\"\u003eStore under cover, off the ground, avoiding prolonged exposure to sunlight and rain\u003c\/li\u003e\n\u003cli data-start=\"2084\" data-end=\"2184\"\u003eSpecialist PPE is not required, though a dust mask is recommended if cutting in unventilated areas\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rockwool","offers":[{"title":"Default Title","offer_id":55115419189582,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/rockwool-rockwool-full-fill-cavity-batt-150mm-1-2m-x-455mm-mineral-fibre-insulation-1204518864.png?v=1762947601"},{"product_id":"100mm-rockwool-full-fill-cavity-batt-1-2m-x-455mm","title":"100mm Rockwool Full Fill Cavity Batt  1.2m x 455mm (3.28m2)","description":"\u003cp data-start=\"76\" data-end=\"491\"\u003eThe Rockwool Full Fill Cavity Batt is a semi-rigid stone wool insulation slab designed for superior thermal, acoustic, and fire performance in masonry cavity walls. Fully filling the cavity without the need for air gaps, it provides consistent insulation, enhanced energy efficiency, and excellent moisture resistance.\u003c\/p\u003e\n\u003cp data-start=\"493\" data-end=\"507\"\u003e\u003cstrong data-start=\"493\" data-end=\"505\"\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"648\" data-end=\"797\"\u003eDelivers excellent thermal insulation with a low thermal conductivity of 0.037 W\/m·K, helping to reduce heat loss and improve energy efficiency\u003c\/li\u003e\n\u003cli data-start=\"800\" data-end=\"896\"\u003eEuroclass A1 non-combustible, providing the highest level of fire safety and peace of mind\u003c\/li\u003e\n\u003cli data-start=\"899\" data-end=\"1004\"\u003eWater-repellent yet breathable, allowing moisture vapour to pass through while preventing water ingress\u003c\/li\u003e\n\u003cli data-start=\"1007\" data-end=\"1112\"\u003eSemi-rigid batts fit snugly between wall ties, ensuring a continuous insulation layer with minimal gaps\u003c\/li\u003e\n\u003cli data-start=\"1115\" data-end=\"1226\"\u003eProvides effective acoustic absorption, reducing sound transmission through external and separating walls\u003c\/li\u003e\n\u003cli data-start=\"1229\" data-end=\"1332\"\u003eDurable and dimensionally stable, maintaining performance throughout the lifetime of the building\u003c\/li\u003e\n\u003cli data-start=\"1335\" data-end=\"1472\"\u003eManufactured from natural volcanic rock and recycled materials, supporting sustainable and environmentally responsible construction\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1134\" data-end=\"1152\"\u003e\u003cstrong data-start=\"1134\" data-end=\"1150\"\u003eGood to Know\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1505\" data-end=\"1602\"\u003eSuitable for use in new build external masonry cavity walls and party wall applications\u003c\/li\u003e\n\u003cli data-start=\"1605\" data-end=\"1759\"\u003eCan be used in buildings up to and including 12 metres in height in England and Wales, and up to 25 metres in Scotland (check local regulations)\u003c\/li\u003e\n\u003cli data-start=\"1762\" data-end=\"1853\"\u003eAvailable in a range of thicknesses\u003c\/li\u003e\n\u003cli\u003eEasily cut using a utility knife; wear gloves and a dust mask when cutting in unventilated areas\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1934\" data-end=\"1993\"\u003eStore under cover, off the ground, avoiding prolonged exposure to sunlight and rain\u003c\/li\u003e\n\u003cli data-start=\"2084\" data-end=\"2184\"\u003eSpecialist PPE is not required, though a dust mask is recommended if cutting in unventilated areas\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rockwool","offers":[{"title":"Default Title","offer_id":55115419222350,"sku":"BM009213","price":42.04,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/rockwool-rockwool-full-fill-cavity-batt-150mm-1-2m-x-455mm-mineral-fibre-insulation-1204518864.png?v=1762947601"},{"product_id":"80mm-rockwool-full-fill-cavity-batt-1-2m-x-455mm","title":"80mm Rockwool Full Fill Cavity Batt  1.2m x 455mm (4.37m2)","description":"\u003cp data-start=\"76\" data-end=\"491\"\u003eThe Rockwool Full Fill Cavity Batt is a semi-rigid stone wool insulation slab designed for superior thermal, acoustic, and fire performance in masonry cavity walls. Fully filling the cavity without the need for air gaps, it provides consistent insulation, enhanced energy efficiency, and excellent moisture resistance.\u003c\/p\u003e\n\u003cp data-start=\"493\" data-end=\"507\"\u003e\u003cstrong data-start=\"493\" data-end=\"505\"\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"648\" data-end=\"797\"\u003eDelivers excellent thermal insulation with a low thermal conductivity of 0.037 W\/m·K, helping to reduce heat loss and improve energy efficiency\u003c\/li\u003e\n\u003cli data-start=\"800\" data-end=\"896\"\u003eEuroclass A1 non-combustible, providing the highest level of fire safety and peace of mind\u003c\/li\u003e\n\u003cli data-start=\"899\" data-end=\"1004\"\u003eWater-repellent yet breathable, allowing moisture vapour to pass through while preventing water ingress\u003c\/li\u003e\n\u003cli data-start=\"1007\" data-end=\"1112\"\u003eSemi-rigid batts fit snugly between wall ties, ensuring a continuous insulation layer with minimal gaps\u003c\/li\u003e\n\u003cli data-start=\"1115\" data-end=\"1226\"\u003eProvides effective acoustic absorption, reducing sound transmission through external and separating walls\u003c\/li\u003e\n\u003cli data-start=\"1229\" data-end=\"1332\"\u003eDurable and dimensionally stable, maintaining performance throughout the lifetime of the building\u003c\/li\u003e\n\u003cli data-start=\"1335\" data-end=\"1472\"\u003eManufactured from natural volcanic rock and recycled materials, supporting sustainable and environmentally responsible construction\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1134\" data-end=\"1152\"\u003e\u003cstrong data-start=\"1134\" data-end=\"1150\"\u003eGood to Know\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1505\" data-end=\"1602\"\u003eSuitable for use in new build external masonry cavity walls and party wall applications\u003c\/li\u003e\n\u003cli data-start=\"1605\" data-end=\"1759\"\u003eCan be used in buildings up to and including 12 metres in height in England and Wales, and up to 25 metres in Scotland (check local regulations)\u003c\/li\u003e\n\u003cli data-start=\"1762\" data-end=\"1853\"\u003eAvailable in a range of thicknesses\u003c\/li\u003e\n\u003cli\u003eEasily cut using a utility knife; wear gloves and a dust mask when cutting in unventilated areas\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1934\" data-end=\"1993\"\u003eStore under cover, off the ground, avoiding prolonged exposure to sunlight and rain\u003c\/li\u003e\n\u003cli data-start=\"2084\" data-end=\"2184\"\u003eSpecialist PPE is not required, though a dust mask is recommended if cutting in unventilated areas\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rockwool","offers":[{"title":"Default Title","offer_id":55115419287886,"sku":"BM05560","price":43.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/rockwool-rockwool-full-fill-cavity-batt-150mm-1-2m-x-455mm-mineral-fibre-insulation-1204518864.png?v=1762947601"},{"product_id":"75mm-rockwool-full-fill-cavity-batt-1-2m-x-455mm","title":"75mm Rockwool Full Fill Cavity Batt  1.2m x 455mm (4.91m2)","description":"\u003cp data-start=\"76\" data-end=\"491\"\u003eThe Rockwool Full Fill Cavity Batt is a semi-rigid stone wool insulation slab designed for superior thermal, acoustic, and fire performance in masonry cavity walls. Fully filling the cavity without the need for air gaps, it provides consistent insulation, enhanced energy efficiency, and excellent moisture resistance.\u003c\/p\u003e\n\u003cp data-start=\"493\" data-end=\"507\"\u003e\u003cstrong data-start=\"493\" data-end=\"505\"\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"648\" data-end=\"797\"\u003eDelivers excellent thermal insulation with a low thermal conductivity of 0.037 W\/m·K, helping to reduce heat loss and improve energy efficiency\u003c\/li\u003e\n\u003cli data-start=\"800\" data-end=\"896\"\u003eEuroclass A1 non-combustible, providing the highest level of fire safety and peace of mind\u003c\/li\u003e\n\u003cli data-start=\"899\" data-end=\"1004\"\u003eWater-repellent yet breathable, allowing moisture vapour to pass through while preventing water ingress\u003c\/li\u003e\n\u003cli data-start=\"1007\" data-end=\"1112\"\u003eSemi-rigid batts fit snugly between wall ties, ensuring a continuous insulation layer with minimal gaps\u003c\/li\u003e\n\u003cli data-start=\"1115\" data-end=\"1226\"\u003eProvides effective acoustic absorption, reducing sound transmission through external and separating walls\u003c\/li\u003e\n\u003cli data-start=\"1229\" data-end=\"1332\"\u003eDurable and dimensionally stable, maintaining performance throughout the lifetime of the building\u003c\/li\u003e\n\u003cli data-start=\"1335\" data-end=\"1472\"\u003eManufactured from natural volcanic rock and recycled materials, supporting sustainable and environmentally responsible construction\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1134\" data-end=\"1152\"\u003e\u003cstrong data-start=\"1134\" data-end=\"1150\"\u003eGood to Know\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1505\" data-end=\"1602\"\u003eSuitable for use in new build external masonry cavity walls and party wall applications\u003c\/li\u003e\n\u003cli data-start=\"1605\" data-end=\"1759\"\u003eCan be used in buildings up to and including 12 metres in height in England and Wales, and up to 25 metres in Scotland (check local regulations)\u003c\/li\u003e\n\u003cli data-start=\"1762\" data-end=\"1853\"\u003eAvailable in a range of thicknesses\u003c\/li\u003e\n\u003cli\u003eEasily cut using a utility knife; wear gloves and a dust mask when cutting in unventilated areas\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1934\" data-end=\"1993\"\u003eStore under cover, off the ground, avoiding prolonged exposure to sunlight and rain\u003c\/li\u003e\n\u003cli data-start=\"2084\" data-end=\"2184\"\u003eSpecialist PPE is not required, though a dust mask is recommended if cutting in unventilated areas\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rockwool","offers":[{"title":"Default Title","offer_id":55115419320654,"sku":"BM008923","price":46.85,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/rockwool-rockwool-full-fill-cavity-batt-150mm-1-2m-x-455mm-mineral-fibre-insulation-1204518864.png?v=1762947601"},{"product_id":"50mm-rockwool-full-fill-cavity-batt-1-2m-x-455mm","title":"50mm Rockwool Full Fill Cavity Batt  1.2m x 455mm (6.55m2)","description":"\u003cp data-start=\"76\" data-end=\"491\"\u003eThe Rockwool Full Fill Cavity Batt is a semi-rigid stone wool insulation slab designed for superior thermal, acoustic, and fire performance in masonry cavity walls. Fully filling the cavity without the need for air gaps, it provides consistent insulation, enhanced energy efficiency, and excellent moisture resistance.\u003c\/p\u003e\n\u003cp data-start=\"493\" data-end=\"507\"\u003e\u003cstrong data-start=\"493\" data-end=\"505\"\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"648\" data-end=\"797\"\u003eDelivers excellent thermal insulation with a low thermal conductivity of 0.037 W\/m·K, helping to reduce heat loss and improve energy efficiency\u003c\/li\u003e\n\u003cli data-start=\"800\" data-end=\"896\"\u003eEuroclass A1 non-combustible, providing the highest level of fire safety and peace of mind\u003c\/li\u003e\n\u003cli data-start=\"899\" data-end=\"1004\"\u003eWater-repellent yet breathable, allowing moisture vapour to pass through while preventing water ingress\u003c\/li\u003e\n\u003cli data-start=\"1007\" data-end=\"1112\"\u003eSemi-rigid batts fit snugly between wall ties, ensuring a continuous insulation layer with minimal gaps\u003c\/li\u003e\n\u003cli data-start=\"1115\" data-end=\"1226\"\u003eProvides effective acoustic absorption, reducing sound transmission through external and separating walls\u003c\/li\u003e\n\u003cli data-start=\"1229\" data-end=\"1332\"\u003eDurable and dimensionally stable, maintaining performance throughout the lifetime of the building\u003c\/li\u003e\n\u003cli data-start=\"1335\" data-end=\"1472\"\u003eManufactured from natural volcanic rock and recycled materials, supporting sustainable and environmentally responsible construction\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1134\" data-end=\"1152\"\u003e\u003cstrong data-start=\"1134\" data-end=\"1150\"\u003eGood to Know\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1505\" data-end=\"1602\"\u003eSuitable for use in new build external masonry cavity walls and party wall applications\u003c\/li\u003e\n\u003cli data-start=\"1605\" data-end=\"1759\"\u003eCan be used in buildings up to and including 12 metres in height in England and Wales, and up to 25 metres in Scotland (check local regulations)\u003c\/li\u003e\n\u003cli data-start=\"1762\" data-end=\"1853\"\u003eAvailable in a range of thicknesses\u003c\/li\u003e\n\u003cli\u003eEasily cut using a utility knife; wear gloves and a dust mask when cutting in unventilated areas\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1934\" data-end=\"1993\"\u003eStore under cover, off the ground, avoiding prolonged exposure to sunlight and rain\u003c\/li\u003e\n\u003cli data-start=\"2084\" data-end=\"2184\"\u003eSpecialist PPE is not required, though a dust mask is recommended if cutting in unventilated areas\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rockwool","offers":[{"title":"Default Title","offer_id":55115421614414,"sku":"BM008922","price":51.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/rockwool-rockwool-full-fill-cavity-batt-150mm-1-2m-x-455mm-mineral-fibre-insulation-1204518864.png?v=1762947601"},{"product_id":"150mm-rockwool-nyrock-cavity-slab","title":"150mm Rockwool NyRock Cavity Slab 032  1.09m²","description":"\u003cp data-start=\"76\" data-end=\"491\"\u003eThe Rockwool NyRock Cavity Slab 032 is a high-performance stone wool insulation designed specifically for masonry cavity walls. Suitable for full fill and partial fill applications, it delivers excellent thermal efficiency, fire protection, and acoustic performance. Its semi-rigid format allows for a snug fit in cavities while maintaining long-term durability and performance.\u003c\/p\u003e\n\u003cp data-start=\"493\" data-end=\"507\"\u003e\u003cstrong data-start=\"493\" data-end=\"505\"\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"578\" data-end=\"663\"\u003eLow thermal conductivity, helping to reduce heat loss and improve energy efficiency\u003c\/li\u003e\n\u003cli data-start=\"666\" data-end=\"735\"\u003eRated Euroclass A1 non-combustible, providing top-level fire safety\u003c\/li\u003e\n\u003cli data-start=\"738\" data-end=\"815\"\u003eSemi-rigid slabs compress slightly to fit cavity walls cleanly and securely\u003c\/li\u003e\n\u003cli data-start=\"818\" data-end=\"913\"\u003eEffective acoustic insulation reduces noise transmission between internal and external spaces\u003c\/li\u003e\n\u003cli data-start=\"916\" data-end=\"1016\"\u003eWater-resistant yet breathable, preventing moisture build-up while allowing vapour to pass through\u003c\/li\u003e\n\u003cli data-start=\"1019\" data-end=\"1089\"\u003eDurable and long-lasting, resisting sagging or deformation over time\u003c\/li\u003e\n\u003cli data-start=\"1092\" data-end=\"1169\"\u003eMade from natural stone wool, supporting sustainable construction practices\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1134\" data-end=\"1152\"\u003e\u003cstrong data-start=\"1134\" data-end=\"1150\"\u003eGood to Know\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1193\" data-end=\"1283\"\u003eDesigned for use in masonry cavity walls, including residential and commercial buildings\u003c\/li\u003e\n\u003cli data-start=\"1286\" data-end=\"1360\"\u003eAvailable in multiple thicknesses to suit a range of wall configurations\u003c\/li\u003e\n\u003cli data-start=\"1286\" data-end=\"1360\"\u003eSemi-rigid format allows for friction fit installation, providing a continuous insulation layer\u003c\/li\u003e\n\u003cli\u003eEasily cut using a utility knife; wear gloves and a dust mask when cutting in unventilated areas\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eStore under cover, off the ground, avoiding prolonged exposure to sunlight and rain\u003c\/li\u003e\n\u003cli\u003eSpecialist PPE is not required, though a dust mask is recommended if cutting in unventilated areas\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rockwool","offers":[{"title":"Default Title","offer_id":55127962288462,"sku":"BM05564","price":32.61,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/rockwool-rockwool-nyrock-cavity-slab-032-200mm-1-09m-mineral-fibre-insulation-1205330691.png?v=1763393998"},{"product_id":"125mm-rockwool-nyrock-cavity-slab","title":"125mm Rockwool NyRock Cavity Slab 032  1.64m²","description":"\u003cp data-start=\"76\" data-end=\"491\"\u003eThe Rockwool NyRock Cavity Slab 032 is a high-performance stone wool insulation designed specifically for masonry cavity walls. Suitable for full fill and partial fill applications, it delivers excellent thermal efficiency, fire protection, and acoustic performance. Its semi-rigid format allows for a snug fit in cavities while maintaining long-term durability and performance.\u003c\/p\u003e\n\u003cp data-start=\"493\" data-end=\"507\"\u003e\u003cstrong data-start=\"493\" data-end=\"505\"\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"578\" data-end=\"663\"\u003eLow thermal conductivity, helping to reduce heat loss and improve energy efficiency\u003c\/li\u003e\n\u003cli data-start=\"666\" data-end=\"735\"\u003eRated Euroclass A1 non-combustible, providing top-level fire safety\u003c\/li\u003e\n\u003cli data-start=\"738\" data-end=\"815\"\u003eSemi-rigid slabs compress slightly to fit cavity walls cleanly and securely\u003c\/li\u003e\n\u003cli data-start=\"818\" data-end=\"913\"\u003eEffective acoustic insulation reduces noise transmission between internal and external spaces\u003c\/li\u003e\n\u003cli data-start=\"916\" data-end=\"1016\"\u003eWater-resistant yet breathable, preventing moisture build-up while allowing vapour to pass through\u003c\/li\u003e\n\u003cli data-start=\"1019\" data-end=\"1089\"\u003eDurable and long-lasting, resisting sagging or deformation over time\u003c\/li\u003e\n\u003cli data-start=\"1092\" data-end=\"1169\"\u003eMade from natural stone wool, supporting sustainable construction practices\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1134\" data-end=\"1152\"\u003e\u003cstrong data-start=\"1134\" data-end=\"1150\"\u003eGood to Know\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1193\" data-end=\"1283\"\u003eDesigned for use in masonry cavity walls, including residential and commercial buildings\u003c\/li\u003e\n\u003cli data-start=\"1286\" data-end=\"1360\"\u003eAvailable in multiple thicknesses to suit a range of wall configurations\u003c\/li\u003e\n\u003cli data-start=\"1286\" data-end=\"1360\"\u003eSemi-rigid format allows for friction fit installation, providing a continuous insulation layer\u003c\/li\u003e\n\u003cli\u003eEasily cut using a utility knife; wear gloves and a dust mask when cutting in unventilated areas\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eStore under cover, off the ground, avoiding prolonged exposure to sunlight and rain\u003c\/li\u003e\n\u003cli\u003eSpecialist PPE is not required, though a dust mask is recommended if cutting in unventilated areas\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rockwool","offers":[{"title":"Default Title","offer_id":55127962321230,"sku":"BM05563","price":40.53,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/rockwool-rockwool-nyrock-cavity-slab-032-200mm-1-09m-mineral-fibre-insulation-1205330691.png?v=1763393998"},{"product_id":"100mm-rockwool-nyrock-cavity-slab","title":"100mm Rockwool NyRock Cavity Slab 032  2.18m²","description":"\u003cp data-start=\"76\" data-end=\"491\"\u003eThe Rockwool NyRock Cavity Slab 032 is a high-performance stone wool insulation designed specifically for masonry cavity walls. Suitable for full fill and partial fill applications, it delivers excellent thermal efficiency, fire protection, and acoustic performance. Its semi-rigid format allows for a snug fit in cavities while maintaining long-term durability and performance.\u003c\/p\u003e\n\u003cp data-start=\"493\" data-end=\"507\"\u003e\u003cstrong data-start=\"493\" data-end=\"505\"\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"578\" data-end=\"663\"\u003eLow thermal conductivity, helping to reduce heat loss and improve energy efficiency\u003c\/li\u003e\n\u003cli data-start=\"666\" data-end=\"735\"\u003eRated Euroclass A1 non-combustible, providing top-level fire safety\u003c\/li\u003e\n\u003cli data-start=\"738\" data-end=\"815\"\u003eSemi-rigid slabs compress slightly to fit cavity walls cleanly and securely\u003c\/li\u003e\n\u003cli data-start=\"818\" data-end=\"913\"\u003eEffective acoustic insulation reduces noise transmission between internal and external spaces\u003c\/li\u003e\n\u003cli data-start=\"916\" data-end=\"1016\"\u003eWater-resistant yet breathable, preventing moisture build-up while allowing vapour to pass through\u003c\/li\u003e\n\u003cli data-start=\"1019\" data-end=\"1089\"\u003eDurable and long-lasting, resisting sagging or deformation over time\u003c\/li\u003e\n\u003cli data-start=\"1092\" data-end=\"1169\"\u003eMade from natural stone wool, supporting sustainable construction practices\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1134\" data-end=\"1152\"\u003e\u003cstrong data-start=\"1134\" data-end=\"1150\"\u003eGood to Know\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1193\" data-end=\"1283\"\u003eDesigned for use in masonry cavity walls, including residential and commercial buildings\u003c\/li\u003e\n\u003cli data-start=\"1286\" data-end=\"1360\"\u003eAvailable in multiple thicknesses to suit a range of wall configurations\u003c\/li\u003e\n\u003cli data-start=\"1286\" data-end=\"1360\"\u003eSemi-rigid format allows for friction fit installation, providing a continuous insulation layer\u003c\/li\u003e\n\u003cli\u003eEasily cut using a utility knife; wear gloves and a dust mask when cutting in unventilated areas\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eStore under cover, off the ground, avoiding prolonged exposure to sunlight and rain\u003c\/li\u003e\n\u003cli\u003eSpecialist PPE is not required, though a dust mask is recommended if cutting in unventilated areas\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rockwool","offers":[{"title":"Default Title","offer_id":55127965401422,"sku":"BM012221","price":42.91,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/files\/rockwool-rockwool-nyrock-cavity-slab-032-200mm-1-09m-mineral-fibre-insulation-1205330691.png?v=1763393998"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/1083\/0670\/collections\/knauf-knauf-insulation-dritherm-cavity-slab-37-1200mm-x-455mm-x-150mm-bm005984-mineral-fibre-insulation-1172607649.jpg?v=1785423729","url":"https:\/\/www.insulationuk.co.uk\/collections\/mineral-wool-cavity-insulation.oembed","provider":"Insulation UK","version":"1.0","type":"link"}