Owens Corning is a building products company. The Company's segments include Roofing, Insulation and Doors. The Company's Roofing segment manufactures and sells residential roofing shingles, oxidized asphalt materials, roofing components and composite lumber primarily used in residential construction. This segment also manufactures and sells glass mat and specialty veil materials used in building and construction applications. Its Insulation segment manufactures and sells thermal and acoustical batts, loose fill insulation, spray foam insulation, wet use chopped strand, foam sheathing and accessories. It also manufactures and sells glass fiber pipe insulation, energy efficient flexible duct media, bonded and granulated stone wool insulation, cellular glass insulation, and foam insulation used in above- and below-grade construction applications. Its Doors segment manufactures and sells interior and exterior doors and door systems primarily used in residential construction.