Roofing Materials / Insulation and Cover Boards / GL ISO
GenFlex GL ISO Polyiso Roof Insulation
A versatile, high efficiency polyiso insulation board designed for use with virtually all membrane roofing systems. Also available in tapered configurations to promote positive drainage and extend roof life.
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Overview
Perfect for use with virtually all membrane roofing systems, GenFlex GL ISO is a highly efficient thermal insulation board with a polyisocyanurate foam core bonded to fiber-reinforced facers. It is approved for new construction and reroofing over virtually all roof deck types. It is especially suited for FM Approved and UL Classified direct-to-deck applications/assemblies without an additional thermal barrier in most installations.
Installation methods
Options
| Size | Thickness |
|---|---|
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Size
4 ft x 4 ft (1.22 m x 1.22 m)
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Thickness
½ in to 4.5 in (12.7 mm to 114.3 mm)
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|
Size
4 ft x 8 ft (1.22 m x 2.43 m) flat and tapered
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Thickness
½ in to 4.5 in (12.7 mm to 114.3 mm)
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