Owens Corning, through its subsidiaries, produces residential and commercial building materials, and glass fiber reinforcements and other similar materials for composite systems. It operates in four segments: Insulating Systems, Roofing and Asphalt, Other Building Materials and Services, and Composite Solutions. The Insulating Systems segment manufactures and sells fiberglass insulation to residential, commercial, and industrial markets for both thermal and acoustical applications. It also manufactures and sells glass fiber pipe insulation, energy efficient flexible duct media, and foam insulation used in construction applications. The Roofing and Asphalt segment manufactures and sells residential roofing shingles and oxidized asphalt materials used in residential and commercial construction, as well as in specialty applications. The Other Building Materials and Services segment manufactures and sells stone veneer building products. This segment also provides franchise opportunities for the home remodeling and new construction industries. The Composite Solutions segment manufactures, fabricates, and sells glass fiber reinforcements, mat, veil, and specialized products that are used in various composite material systems in the transportation, building construction, telecommunications, and electronics markets. Owens Corning sells its products through home centers, lumberyards, retailers, distributors, and contractors primarily in the United States, Europe, and Canada. The company was founded in 1938 and is headquartered in Toledo, Ohio.