SG Wholesale Roofing Supplies has served licensed contractors in Southern California for three generations. We focus specifically on roofing products and have a huge industry knowledge supported by a large investment in inventory, equipment, and locations. SG is known for quality materials, competitive pricing, accurate shipments and timely deliveries. We distribute all roofing materials such as asphalt shingles, slate & composite shingles, wood shingles, concrete tile, clay tile, metal roofing & underlayment. SG also sells low-slope roofing products and accessories such as single ply, B.U.R. APP torch and self-adhered membranes.