Kingspan Thermaroof TR26

Kingspan Thermaroof TR26 Flat Roof Insulation Board

Kingspan Thermaroof TR26 is a premium PIR insulation board designed for use in flat roofs with mechanically fixed single-ply waterproofing systems. With a thermal conductivity of 0.022 W/m·K, it delivers excellent thermal performance and energy efficiency in warm roof constructions.

TR26 is foil-faced on both sides and suitable for installation over metal, timber, or concrete roof decks. The board offers high compressive strength and is both BBA certified and FM Approved, making it ideal for commercial, industrial, and large-scale roofing systems.

Key Features:

• Thermal conductivity: 0.022 W/m·K

• Application: Flat roofs with mechanically fixed single-ply membranes

• Foil-faced on both sides for enhanced thermal resistance

• High compressive strength and durable under load

• Compatible with metal, timber, and concrete roof decks

• BBA certified and FM Approved

Ideal For:

• Warm flat roof systems in commercial or industrial buildings

• Mechanically fixed single-ply waterproofing membranes

• Projects needing consistent, high-performance insulation

• New builds and refurbishment applications

At Insulation UK, we stock Kingspan TR26 in a wide range of thicknesses—available for fast UK-wide delivery.