How To Install Backer Board In Bathroom Floor

Ceramic tile and natural stone tile installations require some type of a cement based surface for a long term.

How to install backer board in bathroom floor.

This guide will teach you how to properly lay cement backerboard and use mortar to secure and level your subfloor before installing tile. Unlike wood or drywall sub surfaces cement backerboard will not rot warp or grow mold and mildew when exposed to water. Using a notched trowel apply a leveling bed of thinset mortar over the subfloor and embed the backer board sheets into the adhesive. To avoid building up the floor too high you can use 1 4 in thick backer board instead of 1 2 in.

Anyone can enjoy the benefits of a cement board shower system if you follow these 3 easy steps. 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. How to install a cement backer board over a plywood subfloor in the bathroom. Required tools for this project.

The plywood adds stiffness and stability to the floor. Add more mortar as necessary to fill sunken areas in. Floor tiles should be installed over smooth flat surfaces. With the plywood in place install the backer board as you normally would.

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. Spread the mortar to about 3 16 thickness.