Polyflex G HP is an Atactic Polypropylene (APP) modified bitumen roofing membrane reinforced with high performance non-woven polyester mat which provides flexibility and dimensional stability as well as exceptional tear and puncture resistance. The premium APP compound and durable construction provides long-term weathering performance. Polyflex G HP is designed for use as cap sheet in multilayer low-slope assemblies.
Polyflex G HP has a granular top surface and burn-off film bottom surface for heat welding application.
Polyflex G HP cap sheet features Polyglass’ patented FASTLap® for granule free end laps. FASTLap provides greater ease and speed of application as well as improved long term weathering performance.
Polyflex G HP membrane can be used as part of a Polyglass warranted multi-ply system when combined with Polyflex base/interply sheets or other approved Polyglass membranes.