Thermaroof TR26 LPC/FM

High performance flat roof insulation

Thermaroof TR26 LPC/ FM is a high performance, rigid thermoset polyisocyanurate (PIR) insulation board for flat roofs waterproofed with mechanically fixed single-ply waterproofing.
Manufactured in Castleblayney this non-fibrous insulation is fully compatible with most green roof systems and installation technique is ideal for fast track building programmes.
  • FM approved for Class 1 steel deck roof assemblies
  • Resistant to the passage of water vapour
  • Ideal for new build and refurbishment
  • Easy to handle and install
The Thermaroof TR26 is manufactured with a low emissivity composite foil facing and both sides and can be mechanically fixed or ballasted over timber, metal or concrete decks and is typically overlaid with single ply mechanically fixed membranes. Where adhered or bonded waterproofing membranes are to be used the Thermaroof TR27 should be used.

Product brochure

Our product brochures include U-value tables, handling advice and installation guidance.

Therma TR26LPCFM Brochure

Product information

Product details


Thermal conductivity 0.022 W/m.K
Facings Composite foil
Core High performance rigid thermoset polyisocyanurate (PIR) insulant manufactured with a blowing agent that has zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP).
Board size 1.2 x 2.4 m

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Kingspan Insulation Ltd.

Bree Industrial Estate


Co. Monaghan

A75 X966

Tel: +353 (0) 42 979 5000

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