Installing Backer Board In Bathroom Floor

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.

Installing backer board in bathroom floor.

Tile backer boards like hardibacker board wonderboard permabase and durock cement backer board installs. Cement board is the most durable trouble free tile backer for tub surrounds showers floors and all other wet areas. Floor tiles should be installed over smooth flat surfaces. Lay the backer board according to the manufacturer s instructions.

How to install a cement backer board over a plywood subfloor in the bathroom. First changes in humidity make solid wood shrink swell and cup more than plywood. This guide will teach you how to properly lay cement backerboard and use mortar to secure and level your subfloor before installing tile. Its made from cement and sand and is reinforced by fiberglass mats on both sides so it s impervious to water.

Use a polymer modified thin set a type of mortar to attach the backer board to the subfloor. Never install new tiles over existing tiles or onto an unprotected wood or plywood floor. Using a notched trowel apply a leveling bed of thinset mortar over the subfloor and embed the backer board sheets into the adhesive. 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.

Unlike wood or drywall sub surfaces cement backerboard will not rot warp or grow mold and mildew when exposed to water. This provides a solid surface under the tile that prevents flexing that could lead to cracking. The backer board comes in different sizes and you will pick the right one depending on the type of floor you are installing. Second the strength of wood boards isn t always consistent.

Cement board commonly sold under trade names such as durock hardiebacker and wonderboard is now the standard underlayment used for ceramic porcelain or stone tile laid with thinset mortar adhesive cement board is used for most floor tile and has all but replaced plywood and drywall backer materials for wall tile applications in wet areas like showers and tub surrounds. Install a cement based backer board following the manufacturer s instructions. Ceramic tile and natural stone tile installations require some type of a cement based surface for a long term. Cement board installation on floors.

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