NBS Source
Paratherm G

Description

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.

General information

Uniclass 2015

Pr_25_71_63_67 Polyurethane (PUR) foam boardsPrimary

CAWS

J41/420 Rigid urethane foam warm deck roof insulation

Specification data - Polyurethane (PUR) foam boards

Product Reference

Paratherm G

Thickness

25 mm

30 mm

35 mm

40 mm

45 mm

50 mm

55 mm

60 mm

65 mm

70 mm

75 mm

80 mm

85 mm

Standard product features

Dimensions (l x w):

2400 x 1200 mm.

Compressive strength:

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.

Thermal conductivity:

0.023 W/mk.

U-value:

Can achieve a U-value of as low as 0.23 W/m²K in certain applications – consult manufacturer's literature for details.

Fire performance:

Class 1 rated according to BS EN 476-7 Surface Spread of Flame Test.

Product Options

Thickness:

Other thicknesses are available subject to quantity.

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