Stewart Roofing Ltd. is proud to be certified in Ottawa with Owens Corning and CertainTeed as preferred contractors.

We also offer GAF roofing products.

For flat roofing, we are proud to be certified with Tremco for their Geoguard system and with Resisto for their Duolap system.

For more information, click on the manufacturer logos on this page.


See a Stewart Roofing crew in action!

Shingled Roofing

Owens Corning Preferred Contractor
CertainTeed Select ShingleMaster
GAF roofing

Metal Shingles

Flat Roofing

Resisto Duolap installer
Tremco Geoguard flat roofing system installer