Cement board is the most durable, trouble-free tile backer for tub surrounds, showers, floors and all other wet areas. Its made from cement and sand, and is reinforced by fiberglass mats on both sides, so it's impervious to water.
Schluter ®-KERDI-BOARD is a multifunctional tile substrate and building panel, which can also be used in bonded waterproofing assemblies with tile.KERDI-BOARD allows you to quickly and easily build tile-ready elements in showers, bathtub surrounds and platforms, countertops, vanities, shelving, and more!
Backer board is a cement or cement-and-fiber-based board used as a substrate for tile and stone installations. It is water resistant and won't swell if it comes in contact with water through a
The backer board is too thin. Quarter-inch backer board is used for tiling over an existing solid sub-floor. But if you're stripping a bathroom or a tub area back to the studs, you'll need to apply a 1/2-inch sheet of masonry board, seal all the seams, tape them, and then apply your tile to that. In short, you should have used 1/2-inch.
GoBoard tile backer board is made by Johns Manville and is a waterproof foam board that provides a surface to be tiled over. It's similar to other foam backer boards in that it has a foam core with a facing attached to it.
USG Durock™ Brand UltraLight Foam Tile Backerboard offers contractors and designers a strong, lightweight, waterproof and vapor-retardant tile base for wet areas and is ideal for use with USG Durock™ Brand Shower System components. Specs: 1/4 in. x 3 ft. x 5 ft. 1/2 in. x 3 ft. x 5 ft. 1/2 in. x 4 ft. x 8 ft; 5/8 in. x 3 ft. x 5 ft.