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. 

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:

• the TremCare roof maintenance program; 
• OLI, our web-based On-Line Information System that lets you can instantly obtain detailed roofing inspection and maintenance data; 
• roof repair; 
• roof component laboratory testing; and 
• infrared moisture analysis, as well as onsite job inspection.

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.