Ceiling Tile 24″ x 24″ OPAL WHITE Can be installed in the ordinary suspended ceiling – just pop them in. Designed to fit all standard 1″ T-bar ceilings. Lightweight, Easy to install, Easy to cut, Easy to clean, Stain resistant, Water resistant The material that they are made out of is fire rated. ASTM E84 Fire Rated as Class A Elegant, regal, and absolutely stunning in their simple classic beauty, these ceiling tiles add stature and grace to any room. Combining the character and charm of traditional pressed metal with the convenience and safety of vinyl, these panels are in a class all by themselves.