Installing Shower Backer Board

Anyone can enjoy the benefits of a cement board shower system if you follow these 3 easy steps.

Installing shower backer board. If you are butting the backerboard up against 1 2 drywall simplifies transitions between the wall boards. 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. I often get questions on what sort of tile backer board to use for showers and tub surrounds.

The backerboard should completely cover the subfloor joints. Georgia pacific s densshield is one such product. If needed cut the backerboard to fit in small spaces or around obstructions.

According to backer board manufacturers and tile setters installing backer board directly over an old solid wood subfloor is risky for a couple of reasons. First changes in humidity make solid wood shrink swell and cup more than plywood. After the second mud layer is applied to the shower pan the next step is to install cement backerboard.

Score the board with a utility knife then cut it using a jig saw with a carbide blade. The facing serves as an integrated waterproofing membrane so you don t need to install a separate layer of plastic behind the tile backer or a sheet membrane over the backer. It s all about the ease of installation.

One type of tile backer board is made with a water resistant facing on both sides of the board. When the bathtub is installe. Decide the best way to install the board on your shower walls.

Membrane faced board only. Wedi board tile backer board which shower tile backer board is best. Vertical or horizontal placement doesn t matter.