TPA Flashing Membrane:

TPA Flashing Membrane

A Thermoplastic Tri-Polymer Alloy Flashing Membrane for Single Ply, BUR, and MB Roof Systems

The TPA Flashing Membrane was developed for use with single ply, built-up and modified bitumen roofing systems.  It can also be used in conjunction with the Tremline Fascia System.


The TPA Flashing Membrane is composed of a white, thermoplastic Tri-Polymer Alloy  based on Elvaloy and blended with CPE and PVC.  It is reinforced with a high-strength, water wick resistant polyster fabric.  The asbestos-free TPA Flashing Membrane exceeds the performance standards of ASTM D 4434-04, Type IV.

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