GAF Materials Corporation has grown to become North America’s largest manufacturer of residential roofing (sold under the GAF-Elk brand) and commercial roofing (sold under the GAF brand). 

We are a family owned company that has been committed to manufacturing quality residential and commercial roofing products since 1951. Our company motto is "Setting the Standard" and that's what we do; set the standard for quality, durability, and innovation.

CertainTeed has earned a reputation as a premier building materials manufacturer for more than 100 years. For every part of the building, CertainTeed offers a quality line of roofing for both residential and commercial building applications

Building Products of Canada has been producing quality home building and home renovation products for generations. The BP brand reflects an almost legendary craftsmanship that goes back nearly 100 years. Our shingles continue to be the products of choice on literally hundreds of thousands of new homes and home renovation projects each year.

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