G.A.P. Roofing is strategically located in the largest rural industrial park in the United States and shipping facilities availability has resulted in distribution to all 50 states. The company manufactures asphalt saturated organic felt rolled roofing products for use as underlayments for various types of shingles. It also makes organic and fiberglass slate-surfaced and smooth-rolled roofing products. The slate surfaced and smooth-rolled products are used in valleys and on low sloping areas where shingles are not recommended. Located in Pryor, Okla., and McGregor, Texas, G.A.P. Roofing was established in 1990. G.A.P. Roofing sales offices are located in Arkansas, Texas, Oklahoma and Louisiana.