Installing Hardibacker On Plywood Floor

With the plywood in place install the backer board as you normally would.

Installing hardibacker on plywood floor.

Never install new tiles over existing tiles or onto an unprotected wood or plywood floor. 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 other is foam backer board which is ok to install over concrete. Drywall screws spaced every 4 in.

Remove the particleboard and screw the plywood to the floor joists with 1 5 8 in. Drywall screws spaced every 6 in. Check with wedi schluter laticrete goboard or whichever manufacturer to see how they want their product installed over a concrete subfloor. This can be beneficial if you are wanting to insulate concrete from an electric floor heating system above it.

To avoid building up the floor too high you can use 1 4 in thick backer board instead of 1 2 in. All fasteners must be. If it is plank flooring you will not be able to put anything over it that will be exactly 1 2. Cement board commonly sold under trade names such as durock hardiebacker and wonderboard is now the standard underlayment used for ceramic porcelain or stone tile laid with thinset mortar adhesive cement board is used for most floor tile and has all but replaced plywood and drywall backer materials for wall tile applications in wet areas like showers and tub surrounds.

Install a layer of 5 8 in. Cdx plywood and screw it to the subfloor with 1 5 8 in. If it is plywood you can install 1 4 backerboard over it with thinset beneath then ditra or just install 1 2 backerboard. Required tools for this project.

How to install a cement backer board over a plywood subfloor in the bathroom. 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. Replace any loose warped uneven or damaged sections of floor. No extra layers of underlayment are required.

Tongue and groove plywood or osb oriented strand board. Ensure subfloor is not damaged. The plywood adds stiffness and stability to the floor. Ceramic tile and natural stone tile installations require some type of a cement based surface for a long term.

If installing hardiebacker cement board over existing floor ensure the floor is flat and floor covering is thoroughly adhered to the subfloor.