WTI General Services and WTC:

WTI General Services and WTC

WTI (Weatherproofing Technologies, Inc.), an ISO 9001:2008 certified company, provides sophisticated analytical, maintenance and information-based roofing services through our General Services (GS) team to help keep roofs leak-free and facilities dry throughout the United States, adding years to their useful life.  WTC (Weatherproofing Technologies Canada) provides these services in Canada; please click here to learn more. 

Combined, our two teams have more than 475 exceptionally well trained, self-performing field technicians to keep your roofs in great shape.  In addition, our U.S. General Contracting (GC) team offers a comprehensive inventory of roofing and GC services to building owners and facility managers.

Our roofing services include:

Replacing roofs is inevitable, but understanding the condition of your roof's components, repairing problems and having a consistent maintenance schedule can go a long way toward keeping inevitable from becoming premature.  You don't have to do this alone; you can rely on WTI's General Services team or on WTC for the help you need.

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

Email: inforoofing@tremcoinc.com