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Warm Roof Uniform Thickness Insulation



ProTherm PIR FOIL is a rigid Polyisocyanurate (PIR) foam insulation for use in single ply roofing-systems on suitable surfaces. For use with mechanically fastened warm roof waterproofing such as EshaPlan MF, EshaUniversal and EshaFlex MF. ProTherm PIR FOIL is a rigid Polyisocyanurate (PIR) foam core faced with an aluminum foil composite facing on both sides. The PIR foam core is temperature tolerant and withstands the application of hot bitumen to the surface temperature of 240°C.

For a comprehensive NBS J42 or J41 specification contact Radmat Building Products.

ProTherm PIR FOIL is compliant with BS 4841-4:2006, BBA No. 16/5341.


ProTherm PIR FOIL is mechanically fastened over an EshaBase/EshaVap vapour layer. In refurbishment projects ProTherm PIR FOIL can be installed on a suitable prepared existing roof surface. Individual ProTherm PIR FOIL boards should be laid in a break bond pattern laid at right angles to the edges of the roof or diagonally across the roof.

When applying ProTherm PIR FOIL on existing bituminous or sanded substrate the surface must be prepared in accordance with the project specific guidelines provided by Radmat.

All installation to be according to guidelines and specifications supplied by Radmat.

Description  Value
Board Width 1200mm
Board Thickness 25mm, 30mm, 40mm, 50mm, 60mm, 70mm, 80mm, 90mm, 100mm, 110mm, 120mm, 130mm, 140mm, 150mm, 160mm, 170mm, 180mm, 190mm, 200mm
Board Length 2400mm
Board weight (120mm thick) 11.8 kg
Edge Profile Square cut
Certificates BBA No. 16/5341

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