Kingspan Thermaroof TR26

About

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.