How To Install Backer Board On Bathroom Walls

Secure the panels to the wall framing with galvanized backerboard screws.

How to install backer board on bathroom walls.

If needed cut the backerboard to fit in small spaces or around obstructions. Add more mortar as necessary to fill sunken areas in. Apply it to the wall with the bottom edge about 1 4 in. 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.

Score the board with a utility knife then cut it using a jig saw with a carbide blade. Anyone can enjoy the benefits of a cement board shower system if you follow these 3 easy steps. 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. Do a dry run and lay the backerboard down to fully cover the area you plan to tile.

Spread the mortar to about 3 16 thickness. Install blocking for future grab bars while the walls are open. But that s pretty much where the similarity ends. Backer board is everything that drywall is not.

Using a notched trowel apply a leveling bed of thinset mortar over the subfloor and embed the backer board sheets into the adhesive. Above the lip of the tub. Lay the backer board according to the manufacturer s instructions. It s made primarily with cement and sand and it has no paper that can deteriorate or promote mold growth if it gets wet.

All the insider information on how to build and waterproof a. Then apply a generous amount of thin set to the bottom bathtub tile and position it 1 8 in. The backerboard should completely cover the subfloor joints.