Ply Sheet HA 87
Ply Sheet HA 87 is a 87 mil (2.2 mm) thick hot applied SBS modified bitumen fiberglass reinforced ply sheet for use within Sarnafil® hybrid roofing systems. Ply Sheet HA 87 can also be used as a vapor retarder in Sarnafil® and Sikaplan® roofing systems. It can be left exposed for up to six (6) months.
- Superior tensile strength
- Weathering surface allows for exposure for up to six (6) months
- Fiberglass reinforcement provides dimensional stability
- Fine mineral aggregate (sand) topside accepts approved urethane adhesives for membrane attachment