Paratherm G is a high performance insulation suitable for use beneath most mechanically fixed single ply non-bituminous and mechanically fixed bituminous waterproofing (one and two layer). It is faced on both sides with a glass fibre tissue auto-adhesively bonded to the insulation core during manufacture. The core of Paratherm G consists of a high performance CFC-free rigid urethane insulant of typical density 32 kg/m³. It is produced using alternative blowing agents in compliance with the Montreal Protocol.
Paratherm G is suitable for use on access roof decks subject to limited foot traffic.
J41/420 Rigid urethane foam warm deck roof insulation
Standard product features
Dimensions (l x w):
2400 x 1200 mm.
Exceeds 150 kPa at 10% yield when tested to BS 4370-1.
Water vapour resistance:
Achieves a resistance of greater than 15 MNs/g when tested in accordance with BS 4370-2.
Can achieve a U-value of as low as 0.23 W/m²K in certain applications – consult manufacturer's literature for details.
Class 1 rated according to BS EN 476-7 Surface Spread of Flame Test.
Other thicknesses are available subject to quantity.