Founded in 1886, 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).  Professional installers have long preferred the rugged, dependable performance that only a GAF roof can offer, and have made it the #1-selling brand in North America. GAF's recent and rapid success in growing the company to nearly $3 billion in sales has been based on its unique philosophy of helping: For property owners & architects: Helping to assure your best and safest choice in roofing For distributor & contractor partners:    Helping to build your business and avoid hassles Here are just some of the reasons why GAF is your best and safest choice! Manufacturing locations across North America — to serve you better   Inventors of the Timberline® shingle — the #1-selling architectural shingle in North America   Awarded #1 visual brand by Life Magazine Fireshield® brand roof restoration system named "Best Product" by the editors of Buildings magazine   Rated #1 in shingle quality by home builders   Winner of the Builder’s Choice award   Cobra® brand ridge vents rated #1 in quality by home builders   Featured regularly in leading home and garden publications and on home improvement networks such as HGTV   Premium designer roofing shingles have twice received the Architects Choice For Excellence Award   Freedom™ TPO self-adhering roofing systems chosen Product Of The Year by Commercial Building Products magazine   Named most-used brand of shingles and roof vents by remodeling contractors   Named #1 in innovation for shingles and ridge ventilation by home builders   Named most-recommended brand by upscale remodelers   First to produce an energy-efficient asphalt shingle available in rich colors, called the Cool Color Series The bottom line is: More than 1 out of every 3 residential property owners chooses GAF for their roofing project—why trust your most valuable asset to anyone else?