High quality 4.1 mm (161 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.
Reinforced with a tough, dimensionally stable 220 gram polyester mat fortified with continuous fiberglass runners
Granulated surfacing provides added resistance to weathering and foot traffic.
DERBICOLOR P-FR may be used as both a roofing and flashing membrane.
30 years proven experience of the APP & Asphalt blend
Can be applied with PERMASTIC Cold Adhesive or heat welded