High quality 3.9 mm (152 mil) smooth 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.
Single reinforced with a heat-resistant a 180 gram polyester mat that increases the membrane’s strength and durability.
30 year proven experience of the APP and asphalt blend.