Profile: Frazier Roofing & Sheet Metal Co., Inc. is a manufacturer of shingle roofing, metal roofing, elastomeric metal products, modified bitumen and single-ply roofing. Our asphalt shingles roofing are installed in courses to create a multi-layered, overlapping and water-shedding roof covering. Our modified bitumen roofing systems are marketed for low slope roofing applications.