Ceiling Tile, Edge Type Angled Tegular, Grid Size 9/16 in, Overall Length 48 in, Overall Width 24 in, Ceiling Attenuation Class 30, Fire Retardant Class Class A, Light Reflectance 82 Percent, Noise Reduction Coefficient 0.55, Recycled Content 56 Percent, Texture Medium, Application Libraries, Music Rooms, Color White, Coverage 80 sq ft, Features 10-Year Replacement Panel, Material Mineral Fiber, Resistance Properties Fire Resistive, , Mold , Sag