Owens Corning is a producer of glass fiber reinforcements and other materials for composites and of residential and commercial building materials. The Company operates within two product categories: composites, which include the Composite Solutions segment and building materials, which includes its insulating systems, roofing and asphalt and other building materials and services reportable segments. The Company’s products range from glass fiber used to reinforce composite materials used in transportation, electronics, marine, wind energy and other high-performance markets to insulation, roofing and manufactured stone veneer used in residential, commercial and industrial applications. On May 1, 2008, the Company sold two composite manufacturing plants in Battice, Belgium and Birkeland, Norway.