Products / Polyglass Ply VI

Polyglass Ply VI is an asphalt-saturated glass mat interply sheet meeting ASTM D2178 Type VI, made as an interply in hot-mopped Polyglass roofing applications. It may be applied over non-combustible substrates and rigid cover boards and needs a compatible additional membrane to complete the system. The data sheet lists 180 ft by 36 in rolls covering about 540 sq ft gross, product code PPLY6, and Florida Building Code and Texas Department of Insurance listings. Its product disclaimer warrants against manufacturing defects that directly result in leakage for 1 year.