How To Install Backer Board On Bathroom Walls

Add more mortar as necessary to fill sunken areas in.

How to install backer board on bathroom walls.

Then apply a generous amount of thin set to the bottom bathtub tile and position it 1 8 in. Score the board with a utility knife then cut it using a jig saw with a carbide blade. Carefully lift the backerboard panel into the tub area and set it on several shims placed about a foot apart to maintain a 1 4 inch gap between the board and tub. Apply it to the wall with the bottom edge about 1 4 in.

Install blocking for future grab bars while the walls are open. Using a notched trowel apply a leveling bed of thinset mortar over the subfloor and embed the backer board sheets into the adhesive. If needed cut the backerboard to fit in small spaces or around obstructions. Lay the backer board according to the manufacturer s instructions.

Anyone can enjoy the benefits of a cement board shower system if you follow these 3 easy steps. Spread the mortar to about 3 16 thickness. Do a dry run and lay the backerboard down to fully cover the area you plan to tile. Secure the panels to the wall framing with galvanized backerboard screws.

Above the lip of the tub. The backerboard should completely cover the subfloor joints. The fasteners should be flush with the surface. Ceramic tile backer board also called cement board or tile backer is a rigid panel material that installs over wood framing much like drywall.

Cement board commonly sold under trade names such as durock hardiebacker and wonderboard is now the standard underlayment used for ceramic porcelain or stone tile laid with thinset mortar adhesive cement board is used for most floor tile and has all but replaced plywood and drywall backer materials for wall tile applications in wet areas like showers and tub surrounds. But that s pretty much where the similarity ends. 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.