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.
The industry standard is to use 1 2 inch thick backer board on wall tile installations such as a tub surround.
Above the lip of the tub.
Here are the steps involved in preparing tub or shower walls for tile.
Applying a waterproofing sealer to cement backer board before tiling.
Tub or shower wall tile preparation.
I often get questions on what sort of tile backer board to use for showers and tub surrounds.
Wedi board tile backer board which shower tile backer board is best.
While it is not.
Apply a layer of 1 2 thick cement backer board to the wall.
Thick 3 x 5 ft.
Then apply a generous amount of thin set to the bottom bathtub tile and position it 1 8 in.
Cement backer board comes in two standard thicknesses 1 2 inch and 1 4 inch.
Apply it to the wall with the bottom edge about 1 4 in.
Hanging cement board around a bathtub.
Since a tile tub or shower surround gets wet it requires a waterproof backing rather than just drywall.
Cement board is the most durable trouble free tile backer for tub surrounds showers floors and all other wet areas.
Installing cement board is an important part of a bathroom renovation particularly if you would like to install ceramic tile around the tub.