Here at Magnum Roofing we feel that it is our responsibility to ensure that our customers use the best quality roofing products available on the market today. It is for this reason that Magnum has chosen GAF Roofing Products as our supplier.
Founded in 1886 GAF has been an industry leader for over 130 years. GAF was the first company to offer an asphalt shingles, the first to offer colored shingles and the first to warranty a shingle for fifty years. GAF is North Americas largest manufacturer of residential roofing products with sales of nearly three billion dollars annually.