Kingspan Kooltherm K118 Insulated Plasterboard | 2400mm x 1200mm

KingspanSKU: IUK00917

Sale price£1,512.29 

inc VAT

Pay in 3 prices shown are an example only. Total calculated at checkout.

Delivery within 5 - 7 working days

Free Delivery On Orders
Over £599.95 Ex-Vat

Need something quicker?

Contact us on 0300 303 4578
or email here!

Kingspan Kooltherm K118 Insulated Plasterboard

Kingspan Kooltherm K118 is at the forefront of insulated plasterboard technology. This premium product offers unparalleled thermal conductivity of 0.019 W/mK, enabling the creation of thinner wall constructions without sacrificing performance. It's the all-in-one solution for insulation, drylining, and vapour control, suitable for application in solid stonework and brickwork environments, with or without pre-existing linings.

Streamlined Installation and Enhanced Performance

Kooltherm K118 is not just about superior insulation; it's also about enhancing the efficiency. Its lightweight design makes transportation, handling, and installation straightforward, supporting quicker construction schedules and reducing labour costs.

Features and Benefits:

  • Space-Efficient: As one of the thinnest Internal Wall Insulation (IWI) solutions, Kooltherm K118 is perfect for projects where maintaining internal space is crucial.
  • Versatile Application: Ideal for properties where external insulation is not feasible, providing a flexible and efficient insulation solution.
  • Integrated Solution: Offers insulation, drylining, and vapour control in a single board, simplifying installation and enhancing wall performance.
  • Quick Response Heating: Improves the thermal efficiency of heating systems, allowing for faster heating times and enhanced comfort.
  • Ease of Use: Lightweight and easy to work with, Kooltherm K118 facilitates a smoother installation process.


Kooltherm K118 is the go-to choice for insulated plasterboard in mechanically fixed and adhesively bonded insulated drylining applications, offering exceptional adaptability and performance.

Technical Specifications:

  • Material: High-quality, lower-lambda rigid thermoset phenolic insulation for top-tier performance.
  • Thermal Conductivity: A consistent 0.019 W/mK across all thicknesses, ensuring outstanding insulation.
  • Facings: Features a tapered edge gypsum-based plasterboard front facing for easy dry jointing and plaster skimming, with a reverse facing of low emissivity composite foil for enhanced thermal efficiency.
  • Fire Performance: Achieves Euroclass B-s1,d0 and A2-s1,d0 ratings, ensuring safety and compliance.
  • Dimensions: Available in standard sizes of 1200 x 2400mm.
  • Thickness Range: 25 - 80 mm (excluding the plasterboard component), catering to diverse construction needs.
Board Thickness mm Boards Per Pack
Weight m2 per Pack
32.5mm 24 11.58 69.12
37.5mm 21 11.75 60.48
42.5mm 18 11.93 51.84
52.5mm 15 12.28 43.20
57.5mm 14 12.45 40.32
62.5mm 12 12.63 34.56
72.5mm 11 12.98 31.68


Kingspan Kooltherm K118 revolutionises the way we think about insulated plasterboard, offering a superior, space-saving solution that doesn't compromise on thermal performance or building safety. Choose for K118 for your next project and experience the difference in efficiency, comfort, and construction speed.


Kingspan Kooltherm K118 Insulated Plasterboard Brochure 


Order Value Delivery Charge
Up to £200.00 ex-vat £100.00 ex-vat
£200.00 - £599.95 ex-vat £59.95 ex-vat
Above £599.95 ex-vat Free Delivery


Weekend Delivery
Available upon request


Parcel Rates
Delivery charge may vary depending on quantity and volume of your order.
Pricing will be calculated during checkout.


Local Delivery Charge
Within 35 miles of Postcode S63 9BL - Up to £500.00 ex-vat
Delivery Charge £35.00 ex-vat
Please contact us to arrange collections
Tel: 0300 303 4578 | Email:


Delivery charges will automatically be calculated within the checkout process.
Orders are only processed for delivery between 8.00am - 5.00pm Monday to Friday excluding bank holidays.
Moffett offload will be used for large bulky deliveries and only when agreed with you.
Please advise of any access issues on ordering.
Delivery is Kerbside only.
In the unlikely event that your delivery is not correct or damaged please notify us immediately and mark any issues on the delivery slip.


    Where We Deliver

    Delivery Areas

    We have a fleet of FORS delivery vehicles all with Moffett mechanical off loads that deliver nationwide. Sometimes we may use 3rd party carriers for smaller orders.


      Product Delivery Times

      The vast majority of our orders are dispatched within 3 working days, this can however be up to 5 working days, please contact us if you require something urgent.
      Speciality items may take up to 5-7 working days.
      We will contact you with in 24/48hrs of your order been placed to confirm delivery times and dates.

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        Customer Reviews

        Based on 2 reviews
        Peter Patel
        Kingspan Kooltherm K118 Insulated Plasterboard | 2400mm x 1200mm



        Great product all delivered in A1 condition.