Derbigum GP-FR
- High quality 4.0 mm (160 mil) smooth surfaced UL Class A fire-resistant APP Modified Bitumen Roofing Membrane.
- Performance Roof Systems' exclusive blend of APP (atactic polypropylene) polymers and select asphalts enhances the weathering capabilities and UV resistance of the membrane.
- Dual reinforced with a heat resistant non-woven fiberglass mat followed by a polyester scrim that increases the membrane’s strength and durability.
- Top placement of the reinforcement layers allow it to filter out harmful UV rays which reduces natural aging. Therefore the membrane does not require a granule surfacing or a roof coating for protection.
- Proven 30-year, in-place performance history
Product Properties
ASTM
D6223 Type I, Grade S
Installation Method
PERMASTIC Cold Adhesive or heat welded
Reinforcement
Fiberglass/polyester
Thickness
4.0 mm (160 mil)
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