Manufacturer Part Number: 755BN|Acoustic Barrier Type|Ceiling TileBacking Type|PlainMaterial|Wet-Formed Mineral FiberSTC Rating (dB)|Noise Reduction Coefficient Rating|0.55Sound Transmission Class Rating|Length (Feet)|Length (Inch)|Thickness (Inch)|5/8Thickness (Decimal Inch - 4 Decimals)|Width (Feet)|Width (Inch)|Maximum Operating Temperature|Minimum Operating Temperature|32FNumber Of Layers|Standards|ASTM E1264Surface|Additional Information|0.81 Light Reflectance; 30 Ceiling Attenuation Class; Square Lay-In EdgedBA Reduction|Product Service Code|UNSPSC Code|30103600