Specifications include, but are not limited to: A. Material: Wet-formed mineral fiber B. Surface finish: Factory applied vinyl latex paint. C. Color: White, however, bidder shall be prepared to supply tiles in other colors, if required. D. Light Reflectance White-LR1 (minimum .75), in accordance with federal spec. SS-S-118B and ASTM E 1264. E. Size: See pricing sheet F. Edge detail: Lay-in type (square cut). However, bidder shall submit a catalog of available cuts G. Noise reduction Coefficient (NCR): .55 H. Sound Transmission Class (STC): 35 – 39. However, bidder shall submit a catalog for sound transmission class between 40 – 44 for special orders only I. Surface burning Characteristics Class as per ASTM E 1264 and Fed. Spec. SS-S-11B:Flame spread 25 or under, UL labeled J. Fire Resistance Rating: Must meet ASTM E 1264 and Fed. Spec. SS-S-118B K. Insulation Value: Average R factor at 75 degrees F must be 1.5