Apply it to the wall with the bottom edge about 1 4 in.
Tile tub surround backer board.
Installing cement board is an important part of a bathroom renovation particularly if you would like to install ceramic tile around the tub.
Then apply a generous amount of thin set to the bottom bathtub tile and position it 1 8 in.
While it is not.
Since a tile tub or shower surround gets wet it requires a waterproof backing rather than just drywall.
Its made from cement and sand and is reinforced by fiberglass mats on both sides so it s impervious to water.
Hanging cement board around a bathtub.
Cement board is the most durable trouble free tile backer for tub surrounds showers floors and all other wet areas.
The industry standard is to use 1 2 inch thick backer board on wall tile installations such as a tub surround.
When it comes to installing a tile backer board the easiest to install is usually the worst choice or most expensive option.
I often get questions on what sort of tile backer board to use for showers and tub surrounds.
Applying a waterproofing sealer to cement backer board before tiling.
Thick 3 x 5 ft.
Above the lip of the tub.
It s typically available in 1 2 in.
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.
Here are the steps involved in preparing tub or shower walls for tile.
Cement backer board comes in two standard thicknesses 1 2 inch and 1 4 inch.