Beauty. Durability. Affordability. Color. Energy efficiency. Whatever your priority, GAF has your shingle. You can find the full line of GAF roofing shingles at Pelham Building Supply. Available in a large array of colors, GAF Designer, 3-Tab and Timberline Roofing Shingles provide excellent solutions for residential and commercial applications. Accessories, including self-adhering roofing underlayment, starter strips and ice and water protection are also available.