5/8" Cement Board, 4' x 8' Cement Board provides a flat,durable base for premium finishes including ceramic tile, quarry tile, thin stone and brick. This mold and moisture-resistant board is ideal for use on walls, floors, soffits and ceilings in both wet and dry areas.The board is easy and quick to install - it scores and snaps like gypsum panels and is easy to secure. Data Sheet