Armstrong 1831A Fine Fissured Ceiling Tile, 24 in W x 24 in L, 16 PK

Ceiling Tile, Edge Type Square Lay-In, Grid Size 15/16 in, Overall Length 24 in, Overall Width 24 in, Ceiling Attenuation Class 35, Light Reflectance 85 Percent, Noise Reduction Coefficient 0.55, Recycled Content 73 Percent, Texture Medium, Application Libraries, Music Rooms, Color White, Coverage 64 sq ft, Features 30-Year Limited System Warranty Against Visible Sag, Mold and Mildew, Material Mineral Fiber, Resistance Properties Fire Resistive, Mildew Resistant, Mold Resistant, Sag Resistant Item Ceiling Tile Series Fine Fissured Noise Reduction Coefficient 0.55 Installation Method Grid (Suspended) Edge Type Square Lay-In Color White Thickness 5/8 in Ceiling Attenuation Class 35 Material Mineral Fiber Package Quantity 16 Resistant To Bacteria, Mildew, Mold, Sag, Soil Light Reflectance 0.85 Standards ASTM E1264, ASTM E84, CAN/ULC S110 Texture Medium Features Fire Guard, Total Acoustics Product, Excellent Sound Absorption and Blocking, Non Directional, Dur