Flat roofing installation is available at Stewart under our Stewart Flat Roofing banner. Call us for flameless options today!

The two ply high – performance Duolap Roofing System combining the waterproofing and durability features of SBS Bitumen Membranes is covered by a 20 year warranty offered by the manufacturer provided that it is installed by a Certified Installer and that all warranty conditions have been met.

Stewart Flat Roofing is one of the few Certified Installers in the Ottawa Region.


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

Tremco Geoguard system