Near faucets, tub lips, shower bases, and corners are the first places to fail in many drywall-and-mastic tile jobs. Thin-Set Ceramic Tile New Approaches to Old-Fashioned Quality by Harry T. Swanson For more years than most of us can remember, ceramic tile was known as the material you used on bathroom walls and floors, or maybe in some industrial applications such as laboratories, industrial washrooms, commercial kitchens, and certain installations where the emphasis was on sanitation. Ceramic tile was the choice finish material because, while being decorative, it also was durable and easy to keep clean, and water would not hurt it. In the early days, sizes for floor tiles were limited to one-inch squares and hexagons, six-inch squares,