Order this Armstrong Ceilings Textured Ceiling Tile for delivery. Made of mineral fiber. Fissured, non-directional visual. Square edge detail allows for quick and easy cutting of panels. Appropriate for repair and replacement in commercial spaces. Covers 64 sq. ft. per carton (16 pieces per carton). Acoustical. blocks sound and reduces noise. Non-directional pattern reduces scrap and installation time. Easy installation system provides access to pipes, ducts and wiring. Installs in 15/16 in. suspended grid.