Tremco SA Underlayment:

Tremco SA Underlayment

Self-Adhesive underlayment for use under metal, asphalt shingles, slate, & tiles.

Tremco SA is a self-adhesive underlayment used as a secondary water barrier under metal, asphalt shingles, slate and tiles.  It consists of a highly versatile bitumen compound with enhanced adhesion which helps it to stick to most surfaces like plywood, OSB, concrete, wood particle and gypsum cover boards.


Tremco SA Underlayment Is surfaced with a tough woven polymer laminate surface which gives it excellent walkability. The adhesive compound and the tough surface together acts to provide excellent high temperature resistance which enables long exposures to weathering.

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.) 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.


Phone: 1.800.852.6013