Backer Board On Wood Floor

Cement board is a cement backerboard designed for use with floors and countertops.

Backer board on wood floor.

Works under interior floors to provide a solid foundation for tile vinyl wood and other flooring. The backerboard should completely cover the subfloor joints. 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. Cement board is the most durable trouble free tile backer for tub surrounds showers floors and all other wet areas.

First changes in humidity make solid wood shrink swell and cup more than plywood. Tile backer boards like hardibacker board wonderboard permabase and durock cement backer board installs. Keep fasteners between 3 8 and 3 4 from sheet edges and 2 in from sheet corners. 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.

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. Its made from cement and sand and is reinforced by fiberglass mats on both sides so it s impervious to water. The backer board comes in different sizes and you will pick the right one depending on the type of floor you are installing. James hardie hardiebacker 1 4 in.

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. Cement board will also work as a countertop backerboard and underlayment for tile granite and other stone surfaces. 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. Cement backer board is commonly used to form a base for ceramic tile.

Because cement backer board is porous thinset grout and mortar adhere well to it. Make sure that the nail or screw heads are not sticking up above the board surface. Score the board with a utility knife then cut it using a jig saw with a carbide blade. Second the strength of wood boards isn t always consistent.

Cement board installation on floors. Backer boards can be nailed or screwed into studs or cinderblock brick mortar or concrete. Also called a cementitious backer unit or cbu. Floor tiles should be installed over smooth flat surfaces.