Have this Armstrong Ceilings Textured Lay-in Ceiling Tile delivered onsite. Made of mineral fiber. Fissured, directional visual. Square edge detail allows for quick and easy cutting of panels. Popular choice for repair and replacement. Covers 80 sq. ft. per carton (10 pieces per carton). Acoustical. blocks sound and reduces noise. Easy installation system provides access to pipes, ducts and wiring. Installs in 15/16 in. suspended grid.