POWERply® Standard Smooth HW:

POWERply® Standard Smooth HW

Fiberglass Reinforced, Smooth Surfaced, Torch Applied SBS Modified Bitumen Membrane

The POWERply Standard Smooth HW (Heat Weld) membrane is designed for use in hot air, heat welded (torch applied) multi-ply roof and flashing systems that require smooth surfacing.  Each membrane has a smooth surface and a burn-off polyolephin sheet on the underside.


Asbestos-free POWERply Standard Smooth HW is a fiberglass reinforced, smooth surfaced, SBS modified bitumen membrane.  It exceeds ASTM D6163, Type I, Grade G; ASTM D6163 is Standard Specification for Styrene Butadiene Styrene (SBS) Modified Bituminous Sheet Materials Using Glass Fiber Reinforcements.

Roofing & Weatherproofing Peace of Mind

We deliver peace of mind to building owners and facility managers by managing roofing and building life cycles for customers in all industries, including education, healthcare, government, manufacturing and more.

  • Tremco Roofing offers the industry's most comprehensive roofing and weatherproofing solutions for restoration, repair, maintenance, replacement and new construction.
  • WTI (Weatherproofing Technologies, Inc., a subsidiary of Tremco Incorporated), provides roofing services, construction management and general contracting.
  • Our Canam Building Envelope Specialists affiliate provides building envelope solutions to eliminate air leaks, improve energy efficiency and reduce costs.


US: 1.800.852.6013

Canada: 1.800.668.9879

Email: info@TremcoRoofing.com