 | CertainTeed
Premier building materials manufacturer for more than 100 years.
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 | Elk
From roof to deck, ask for Elk.
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 | GAF
Residential and commercial building products.
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.gif) | WR Grace
Serving the needs of the international construction industry for more than half a century.
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 | Owens Corning
Residential roofing and siding products.
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 | TAMKO
The nation's leading independent manufacturer of residential and commercial roofing products, waterproofing, composite decking and railing systems, and cements and coatings.
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