GAF was founded in 1886 and has grown into North America's largest roofing manufacturer -- by far. In fact, if you add together the No. 2 and No. 3 players in the industry, GAF is still larger. This innovative company launches about 50 new products or services each year. They also sponsor the Center for the Advancement of Roofing Excellence (CARE) that aims to educate builders in the correct ways to apply roofing and ventilation systems.

41 LUMBER keeps the largest inventory of GAF shingles in stock in the entire Upper Peninsula along with all the other components that make up an effective and efficient roofing and ventilation system. Whether you are looking for a basic 3 tab shingle or ornate architectural shingles or anything in between, 41 LUMBER has it.

Click on the GAF logo to the right to get to their website.