Armstrong Ceiling Tile, Width 24", Length 48", 5/8" Thickness, Mineral Fiber, PK 12

Acoustical Ceiling Tiles A 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. Include a 30-yr. limited system warranty against visible sag, mold/mildew, and bacterial growth (excludes Fissured, Cortega, and Designer products). Class A Fire resistance, according to ASTM E84 and CAN/ULC S102 surface burning characteristics. UL Classified. Georgian™ High Washability and Clean Room VL Unperforated Class 5 (Class 100) tiles offer high wash and scrubbability, and soil resistance. Impact and scratch resistant. Meet USDA/FSIS guidelines for food processing areas.