THERMglass Premium VI:

THERMglass Premium VI

A High Performance Fiberglass Type VI Ply Sheet

THERMglass Premium VI is designed as a ply sheet within a built-up roofing system for application over preformed rigid insulation and base sheets.  It may be used with Premium III Hot-Melt Adhesive or, where an extra level of performance is required, POWERply Modified Hot Melt Adhesive.


THERMglass Premium VI is a heavy duty, non-rotting glass ply sheet that meets or exceeds ASTM D 2178, Type VI.

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