Correct Way To Install Ceramic Floor With 4 Inch Hardibacker

Cement board doesn t add to the structural strength of your floor.

Correct way to install ceramic floor with 4 inch hardibacker.

With the smooth side of a 1 4 inch notched trowel spread enough mortar for one sheet. If installing hardiebacker cement board over existing floor ensure the floor is flat. That is used as the substrate for ceramic and stone tile installations. Tongue and groove material screw the underlayment down right through the vinyl with 1 1 4 in.

Anything short of those two options is taking a risk. Drive screws every 8 inches around the perimeter of each board 1 2 inch from the edges and 2 inches from the corners. The only way to do this right is to go over the t g planks with 1 2 inch ac plywood. To avoid building up the floor too high you can use 1 4 in thick backer board instead of 1 2 in.

As long as the subfloor is 3 4 in. Use thin set mortar when installing cement backerboard. With the plywood in place install the backer board as you normally would. Drywall screws spaced every 6 in.

Vinyl flooring glued over 1 4 in. The floorelf describes the proper method of installing cement or cementious backerboards on a floor for tile installation. Required tools for this project. Then you can use a thin membrane over that if you want.

The other way to do it is to remove the planks and install 5 8 or 3 4 subflooring. Hardiebacker cement board may be installed under or over vinyl composition tile vct and other resilient flooring. Some backer board manufactures have identified the locations on the backer board where the screws need to be placed. For best results remove existing floor covering especially if it is in poor condition.

For ceramic tile floors the cement board usually rests on a plywood subfloor minimum 5 8 inch thick exterior grade plywood or osb if new ceramic tile is being laid on an existing floor the cement board can usually be laid right over the existing floor finish provided it is in good shape and the extra floor thickness is not a problem. Hardiebacker sometimes called hardie board refers to a cement based panel manufactured by the james hardie co. Thick cement board instead of the usual 1 2 in. Thin set dries slowly allowing you to fix and readjust backerboard sheets as needed.

Use 1 1 4 inch screws for 1 4 inch backerboard. Use 1 5 8 inch screws for 1 2 inch backer board. Ridge the mortar with the notched side of the trowel. Cement boards that some in sheets.

If you re preparing to do a ceramic floor or wall installation it s recommended that you install hardiebacker cement board on your subfloor or wall before you begin to lay the tile. The plywood adds stiffness and stability to the floor. Should i put 1 4 inch plywood on whole floor and then kerdi on that and 1 4 inch backerboard on the rest 1 4 ply 1 4cement to be 1 2.