Owens Corning is a holding company, which is engaged in the business of composite and building materials systems. The Company's products range from glass fiber used to reinforce composite materials for transportation, electronics, marine, infrastructure, wind-energy and other markets to insulation and roofing for residential, commercial and industrial applications. The Company operates in three segments, namely, Composites, Insulation and Roofing. Its Composites segment consists of its Reinforcements and Downstream businesses. The Company's Insulation products include thermal and acoustical batts, loosefill insulation, foam sheathing and accessories, and are sold under various brand names, such as Owens Corning PINK FIBERGLAS Insulation. The Company's primary products in the Roofing segment are laminate and strip asphalt roofing shingles. It sells shingles and roofing accessories primarily through home centers, lumberyards, retailers, distributors and contractors in the United States.