Installing Hardie Board 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.

Installing hardie board floor. Replace any loose warped uneven or damaged sections of floor. By kara wenman 2 29 2020 1. Proper installation of hardie board follows a basic procedure that ensures a secure stable surface to support the tile.

Prepare a solid squeak free subfloor one of the keys to a long lasting tile installation is the underlying subfloor. Once your floor is ready you re all set to cut your board to the necessary sizes according to your floor measurement. Whatever your subfloor is made of be sure it s squeak free before you install the cement board.

All fasteners must be. It has to be rock solid before you lay the 1 2 in. Cutting the hardie board is just a snap.

Screwing the plywood down to the floor joists should take care of most squeaks. Using a sliding motion firmly and evenly embed your hardiebacker cement board in the wet mortar. You can use either a carbide tipped planning knife or any simple utility knife.

Apply a supporting bed of mortar or modified thinset to your subfloor with your trowel. 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 resistant drywall. 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.

Use the flat side of your notched trowel to fill the joints between the backerboard sheets. Video of the day volume 0. Smooth the mortar so it extends about 1 1 2 inches on each side of the joint.