Ceiling Tile Ceiling Tile Material Mineral Fiber Series Cortega Length 24 In. Width 24 In. Noise Reduction Coefficient 0.55 Edge Type Angled Tegular Grid Size 15/16 In. Color White Thickness 5/8 In. Ceiling Attenuation Class 35 Light Reflectance 0.82 Resistant To Fire Guard Texture Medium Coverage 48 sq. ft. Temp Range 32 Degrees to 120 Degrees F Recycled Content 41 Percent Application General Use Features Humiguard Plus Fire Guard Non-Directional Standards ASTM E1264