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:

• the TremCare roof maintenance program; 
• OLI, our web-based On-Line Information System that lets you 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.