The “Ceramaguard Fine Fissured #607A” ceiling tile by Armstrong is a white 15/16″ thick mineral fiber tile measuring 12 x 12 inches. It features sound absorption, moisture resistance, acoustic properties, sag and fire resistance, and noise reduction. The tile is made of mineral fiber, cardboard, gypsum, and fiberboard, with a matte finish. It weighs 2 lb and is designed for commercial ceiling applications.