Correct Way To Install Ceramic Floor With 4 Inch Hardibacker

Hardiebacker cement board may be installed under or over vinyl composition tile vct and other resilient flooring.

Correct way to install ceramic floor with 4 inch hardibacker.

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. Should i wait 24 hours after installing the backer board before i lay the. Required tools for this project. The plywood adds stiffness and stability to the floor.

The floorelf describes the proper method of installing cement or cementious backerboards on a floor for tile installation. Anything short of those two options is taking a risk. Hardiebacker sometimes called hardie board refers to a cement based panel manufactured by the james hardie co. Drive screws every 8 inches around the perimeter of each board 1 2 inch from the edges and 2 inches from the corners.

As long as the subfloor is 3 4 in. If installing hardiebacker cement board over existing floor ensure the floor is flat. Thin set dries slowly allowing you to fix and readjust backerboard sheets as needed. The only way to do this right is to go over the t g planks with 1 2 inch ac plywood.

Vinyl flooring glued over 1 4 in. Cement boards that some in sheets. The other way to do it is to remove the planks and install 5 8 or 3 4 subflooring. Hardie board is installed over a plywood or osb base for floors counter tops or any horizontal surface and applied to vertical wall framing over water.

To avoid building up the floor too high you can use 1 4 in thick backer board instead of 1 2 in. Ridge the mortar with the notched side of the trowel. 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. For best results remove existing floor covering especially if it is in poor condition.

Then you can use a thin membrane over that if you want. With the smooth side of a 1 4 inch notched trowel spread enough mortar for one sheet. Use thin set mortar when installing cement backerboard. Use 1 5 8 inch screws for 1 2 inch backer board.

Tongue and groove material screw the underlayment down right through the vinyl with 1 1 4 in. With the plywood in place install the backer board as you normally would. Use 1 1 4 inch screws for 1 4 inch backerboard. 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.

Hardiebacker is available in both 1 4 inch and 42 inch thick hardiebacker 500 versions and is designed to add mold and moisture resistance to tile installations. Thick cement board instead of the usual 1 2 in. That is used as the substrate for ceramic and stone tile installations.