Its made from cement and sand and is reinforced by fiberglass mats on both sides so it s impervious to water.
Tile tub surround backer board.
Cement backer board comes in two standard thicknesses 1 2 inch and 1 4 inch.
Tub or shower wall tile preparation.
The best approach when installing cement board or other tile backer around a tub is to keep the cement board out of the lip area.
Hanging cement board around a bathtub.
The industry standard is to use 1 2 inch thick backer board on wall tile installations such as a tub surround.
Wedi board tile backer board which shower tile backer board is best.
Above the lip of the tub.
Applying a waterproofing sealer to cement backer board before tiling.
I often get questions on what sort of tile backer board to use for showers and tub surrounds.
Since a tile tub or shower surround gets wet it requires a waterproof backing rather than just drywall.
When it comes to installing a tile backer board the easiest to install is usually the worst choice or most expensive option.
Then apply a generous amount of thin set to the bottom bathtub tile and position it 1 8 in.
Apply it to the wall with the bottom edge about 1 4 in.
Thick 3 x 5 ft.
Apply a layer of 1 2 thick cement backer board to the wall.
It s typically available in 1 2 in.
Cement board is the most durable trouble free tile backer for tub surrounds showers floors and all other wet areas.