![]() The system is constructed in the field by either mopping with hot asphalt, torch welding, self-adhering, mechanically fastening or cold applied adhesive. The lower surface is either sanded or receives a poly surface while the top surface is covered with granules or sand. The membrane is constructed by coating either a fibreglass or polyester fabric, on both the top and bottom, with high performance modified bitumen. The membrane is produced in 1 m (39") wide rolls and varies in thickness from 2 mm (0.08") to 5 mm (0.2") depending on use and reinforcement. The system normally consists of two plies of membrane. The main components of the roofing and waterproofing systems are bitumen modified with SBS (Styrene Butadiene Styrene) and either fibreglass or polyester reinforcement. Year First Installed B.C.: 1985 Canada: 1985 Foreign: 1971 Product Group: SBS MODIFIED BITUMINOUS MEMBRANES ![]() ![]() ![]() The reader is urged to check these against current publications issued by the manufacturer, to ensure accuracy.Ĭontact Address: See Membership List in Section 1. The instructions provided below are reprinted from the manufacturer's own materials which were submitted to the RoofStar Guarantee Program for inclusion in this Manual.
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