BBA Agrément Certificate
Certificate type
QA Certificate
Certificate type
BSI Kitemark
Certificate type
Insulation system for inverted, green and blue roofs.
An insulation system for inverted, green and blue roofs, which consists of extruded polystyrene insulation and a geotextile membrane. The membrane reduces the amount of water reaching the waterproofing layer and so improves the thermal performance of the roof.
Uniclass 2015 | |
CAWS | J21/440 Inverted roof insulation J31/340 Inverted roof insulation J41/440 Inverted roof insulation J42/440 Inverted roof insulation |
Product Reference | Polyfoam Inverted Roof System |
Thickness | Insert requirements. Available in 50–245 mm. |
Standard product features | Insulation: Polyfoam Roofboard Extra:
Filter membrane: Polyfoam Slimline Zero Membrane:
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BBA Agrément Certificate
BBA 17/5454