Ceiling Tile Edge Type Square Lay-In Grid Size 15/16 in Overall Length 24 in Overall Width 24 in Ceiling Attenuation Class 36 Fire Retardant Class Class A Light Reflectance 77 Percent Noise Reduction Coefficient 0.1 Recycled Content 31 Percent Texture Smooth Application Healthcare Hospitality Color White Coverage 32 sq ft Ligature Resistant Yes Material Galvanized Steel Resistance Properties Tamper Resistant Standards ASTM E84 CAN/ULC S102 Thickness 3/64 in