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.
How to install backer board on bathroom walls.
Score the board with a utility knife then cut it using a jig saw with a carbide blade.
All the insider information on how to build and waterproof a.
Above the lip of the tub.
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.
Then apply a generous amount of thin set to the bottom bathtub tile and position it 1 8 in.
Using a notched trowel apply a leveling bed of thinset mortar over the subfloor and embed the backer board sheets into the adhesive.
Secure the panels to the wall framing with galvanized backerboard screws.
If needed cut the backerboard to fit in small spaces or around obstructions.
Add more mortar as necessary to fill sunken areas in.
Install blocking for future grab bars while the walls are open.
Lay the backer board according to the manufacturer s instructions.
Backer board is everything that drywall is not.
Ceramic tile backer board also called cement board or tile backer is a rigid panel material that installs over wood framing much like drywall.
Anyone can enjoy the benefits of a cement board shower system if you follow these 3 easy steps.
The backerboard should completely cover the subfloor joints.
It s made primarily with cement and sand and it has no paper that can deteriorate or promote mold growth if it gets wet.
But that s pretty much where the similarity ends.
Do a dry run and lay the backerboard down to fully cover the area you plan to tile.
Apply it to the wall with the bottom edge about 1 4 in.