Product features of Armstrong 868 Ceiling Tile 24 x 24 in 5/8 in T Pk G4_BLQW9I7A:
Acoustical Ceiling TilesA variety of edge types and surface textures to help you create the look you want. All tiles are durable sag resistant and have a Flame Spread Index 25 or less. Smoke Developed Index 50 or less. Class A Fire resistance according to ASTM E84 and CAN/ULC S102 surface burning characteristics. UL Classified. Georgian Hig.