Derbicolor GP FR CR Modified Roof Membrane comes with below features:

• High quality 4.5 mm (180 mil) granule surfaced UL Class A fire-resistant APP Modified Bitumen Roofing Membrane
• Derbigum's 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
• Granulated surfacing provides added resistance to weathering and foot traffic
• Proven 30-year, in-place performance history
• Can be applied with PERMASTIC Cold Adhesive or heat welded