High quality 4.1 mm (161 mil) granule 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.
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 and Asphalt blend