High quality 4.1 mm (161 mil) granule surfaced 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 may be used as both a roofing and flashing membrane.
30 year proven experience of the APP & Asphalt blend