As a CertainTeed SELECT 5 Star Shingle Master here in Ottawa, Stewart Roofing Ltd. can offer to its customers both the 4 Star and 5 Star warranties.

  • 50 year non-prorated ¬†Material Warranty
  • 50 year non-prorated Labour Warranty
  • 50 year non-prorated Disposal Warrant
  • 130 MPH Wind Tearoff Warranty
  • Optional 5 Star 25 year Workmanship Warranty
  • All backed by CertainTeed Saint Gobain


Clicking on the following photo will direct you to the Certainteed website so you can research their products.


Owens Corning Preferred Contractor
GAF roofing products