How To Install Backer Board In Bathroom Floor

Unlike wood or drywall sub surfaces cement backerboard will not rot warp or grow mold and mildew when exposed to water.

How to install backer board in bathroom floor.

How to install a cement backer board over a plywood subfloor in the bathroom. Spread the mortar to about 3 16 thickness. Never install new tiles over existing tiles or onto an unprotected wood or plywood floor. Lay the backer board according to the manufacturer s instructions.

Add more mortar as necessary to fill sunken areas in. To avoid building up the floor too high you can use 1 4 in thick backer board instead of 1 2 in. Using a notched trowel apply a leveling bed of thinset mortar over the subfloor and embed the backer board sheets into the adhesive. To achieve the ideal flat surface most contractors rely on the backer board cement backer board is a thin layer of concrete designed to be setting surface upon which tile can be installed.

The backer board comes in different sizes and you will pick the right one depending on the type of floor you are installing. All the insider information on how to build and waterproof a. Floor tiles should be installed over smooth flat surfaces. Anyone can enjoy the benefits of a cement board shower system if you follow these 3 easy steps.

With the plywood in place install the backer board as you normally would. This guide will teach you how to properly lay cement backerboard and use mortar to secure and level your subfloor before installing tile. The plywood adds stiffness and stability to the floor.