Thermaroof TR26 Flat Roof Insulation Board


High performance insulation for flat roofs waterproofed with mechanically fixed single-ply waterproofing that offers thermal conductivity of 0.022 W/m.K

What are the benefits of Thermaroof TR26 flat roof insulation?
  • Rigid thermoset insulation
  • FM approved for Class 1 steel deck roof assemblies
  • Fully compatible with most mechanically fixed single–ply waterproofing systems
  • Compatible with most green roof systems
  • Installation technique is ideal for fast track building programmes
  • Resistant to the passage of water vapour
  • Easy to handle and install
  •  Ideal for new build and refurbishment
  •  Non–deleterious material
  •  Manufactured with a blowing agent that has zero ODP and low GWP

Kingspan Thermaroof TR26 is available with FM Approval to FM 4470 - please see the product brochure below or search 'Kingspan Therma' on the FM Approvals online listing website for the conditions of approval. 

Product information

Product details
Product Literature


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

How can we help you?

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Get in touch

Kingspan Insulation Ltd.

Bree Industrial Estate


Co. Monaghan

A75 X966

Tel: +353 (0) 42 979 5000