Floor Backer Board Thickness

It serves as solid surface for the thin set mortar to adhere to for a solid tile to floor bond.

Floor backer board thickness. Both layers together can add another 1 8 inch to the finished floor. Required tools for this project. That s why it was named the most preferred brand of backer board by tile installers and contractors according to the 2019 tile and stone report conducted by clearseas research in partnership with the national tile contractors association and tile magazine. With the plywood in place install the backer board as you normally would.

For countertops use 3 4 inch plywood beneath the backer board. For flooring the backer board should be installed over a 5 8 inch thick osb or plywood base. If needed cut the backerboard to fit in small spaces or around obstructions. Backer board comes in 3 x 5 foot sheets in a variety of thickness ranging from 1 4 inch to 5 16.

To avoid building up the floor too high you can use 1 4 in thick backer board instead of 1 2 in. Do a dry run and lay the backerboard down to fully cover the area you plan to tile. As far as the thickness of the subfloor goes the 1 1 8 minimum thickness includes the 1 2 cement backer board so you could get by with one thick layer of plywood 5 8 or 3 4 thick topped by cement backer board with wider joists under it to make up the difference. Fiber cement board is water resistant.

Score the board with a utility knife then cut it using a jig saw with a carbide blade. Another layer is necessary for installing the tiles. Hardiebacker cement board is made better to install better and perform better. The plywood adds stiffness and stability to the floor.

The industry standard is to use 1 2 inch thick backer board on wall tile installations such as a tub surround. And for walls and ceilings apply 1 2 inch or 5 8 inch backer board screwed directly to the wall studs or joists. Due to the quantity of your order please contact customer care at 877 675 0002 to complete your purchase. The backerboard should completely cover the subfloor joints.