POWERply® HE Base Sheet
A Smooth Surfaced, High Elongation Polyester Reinforced Modified Bitumen Base Sheet
The POWERply HE Base Sheet is designed for applications in modified bitumen roofing and flashing systems where a polyester reinforced membrane is desired. This product is strong yet very pliable to resist tears and splits.
The asbestos-free POWERply HE BASE Sheet is a smooth surfaced, high elongation, modified bitumen base sheet. It consists of specially selected bitumens, modified with compatible SBS elastomers and reinforced with a non-woven polyester mat. POWERply HE Base Sheet exceeds the requirements of ASTM D 6164, Type I, Grade S.