Armstrong World Industries, Inc. designs and manufactures ceiling and wall system solutions in the Americas. Its products primarily include mineral fiber, fiberglass wool, metal, wood, wood fiber, glass-reinforced-gypsum and felt. It also manufactures ceiling suspension system (grid) products. The Company has two segments. Mineral Fiber segment produces suspended mineral fiber and soft fiber ceiling systems. Ceiling products are sold to resale distributors, ceiling systems contractors and wholesalers and retailers, including large home centers. Architectural Specialties segment produces, designs and sources ceilings and walls for use in commercial settings. These products are available in metal, felt and wood, in addition to various colors, shapes and designs. Its products offer various performance attributes, such as acoustical control, rated fire and other. It designs and develops integrated architectural metal systems for interior and exterior applications.