Tub Surround Backer Board

It s typically available in 1 2 in.

Tub surround backer board.

Proper way to install backer board in tub area no matter what the board is made of it should not sit on top of the tub flange. Greenboard is just regular drywall with a coating. The panels are nasty to handle because of their sharp edges so wear heavy leather gloves. Cement board cement board is the most durable trouble free tile backer for tub surrounds showers floors and all other wet areas.

The ideal underlayment for ceramic tile is cement backerboard which comes in 1 4 and 1 2 inch thick panels measuring 3 x 5 feet and 4 x 8 feet. Then apply a generous amount of thin set to the bottom bathtub tile and position it 1 8 in. In this case the backer board you use on the tub surround needs to transition to the drywall evenly. Install the first full sheet of cement board lengthwise against the back wall long edge of the tub.

When the bathtub is installe. Above the lip of the tub. The dense gray material is very heavy so use the smaller size for replacing tub walls. 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.

Hold the sheet against the wall and insert 1 4 inch spacers to keep the cement board 1 4 inch. To do this you need backer board that is 1 2 inch thick or to build up a thinner board with. I often get questions on what sort of tile backer board to use for showers and tub surrounds. Its made from cement and sand and is reinforced by fiberglass mats on both sides so it s impervious to water.

Loctite powergrab 10 fl. Apply it to the wall with the bottom edge about 1 4 in. It is designed to bond most plastic surround tubs to waterproof drywall wood sanded tile board and ceramic tile. Tub surround adhesive with low odor low voc and easy water cleanup is an ideal interior construction adhesive.

Thick 3 x 5 ft.