Backer Board On Wood Floor

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.

Backer board on wood floor.

Cement board is the most durable trouble free tile backer for tub surrounds showers floors and all other wet areas. 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. Also called a cementitious backer unit or cbu. Because cement backer board is porous thinset grout and mortar adhere well to it.

First changes in humidity make solid wood shrink swell and cup more than plywood. Cement board is james hardie hardiebacker 1 4 in. Floor tiles should be installed over smooth flat surfaces. If needed cut the backerboard to fit in small spaces or around obstructions.

Cement board will also work as a countertop backerboard and underlayment for tile granite and other stone surfaces. If installing over an appropriate wood surface sand the wood to make it smoother and remember that the installation will work better over a subfloor at least 1 1 8 inches thick. If you must install over such surfaces it is best to install a backer board over the old surface and install the tile on the backer board. The backer board comes in different sizes and you will pick the right one depending on the type of floor you are installing.

Tile backer boards like hardibacker board wonderboard permabase and durock cement backer board installs. Backer boards can be nailed or screwed into studs or cinderblock brick mortar or concrete. Fasten the backer board to the floor using proper nails or screws as recommended by the manufacturer every 8 around the perimeter and all supporting the studs. Do a dry run and lay the backerboard down to fully cover the area you plan to tile.

Make sure that the nail or screw heads are not sticking up above the board surface. James hardie hardiebacker 1 4 in. Score the board with a utility knife then cut it using a jig saw with a carbide blade. Cement backer board is commonly used to form a base for ceramic tile.

Keep fasteners between 3 8 and 3 4 from sheet edges and 2 in from sheet corners. Its made from cement and sand and is reinforced by fiberglass mats on both sides so it s impervious to water. Cement board installation on floors. Works under interior floors to provide a solid foundation for tile vinyl wood and other flooring.