Building Products of Canada has all of the quality roofing products you need for your roofing project.

CertainTeed's waterproofing shingle underlayments are applied under roof shingles during new construction or re-roofing to protect your home’s interior from winter leaks caused by ice dams and wind-driven rain.

Grace Construction Products’ line of roofing underlayment products, including Grace Ice & Water Shield®, Grace Ultra and Grace TRI-FLEX®, extend the life of a roof by protecting against leaks caused by ice dams and wind-driven rain.

Grip-Rite coatings and sealants offer maximum protection designed to repair, seal, bond, coat or patch any roof project.

Grip-Rite ShingleLayment is the only roofing underlayment with the high performance of a synthetic underlayment, and the finished look of a shingled roof.

Grip-Rite® modified bitumen membranes are manufactured from formulas using only the highest quality materials, to meet or exceed, industry standards.

Trust Henry for all your roofing needs. Backed by more than 80 years of continuous building product improvements.

Keep heat in and cold out with insulated weather-resistant nailable roof decking panels from Homasote.

For a roof to last, your roofing system must include protection from wind-driven rain.

Protect roofs from water with DuPont Tyvek® synthetic roofing underlayment, engineered to deliver superior performance.