TremLock Tri-Rib:

TremLock® Tri-Rib and Tri-Rib II Panel

Snap-Seamed Roof Panel

TremLock Tri-Rib I and II panels are a concealed fastener roofing panels that can be used over solid decking or sub-structural members.


TremLock Tri-Rib I panels are 16” wide ribs spaced 8” on center with 1 5/8” seam height, while the TremLock Tri-Rib II Panels have a 1 3/4” seam height. Both roof panels can be used on slopes down to 1/4:12. Factory applied sealant is required on seam (side laps) at less than 3:12 slope.  Continuous lengths are up to 40’. Longer lengths are available.

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