Tile Over Hardwood Subfloor

Second the strength of wood boards isn t always consistent.

Tile over hardwood subfloor.

Use intervening layers of two sheets of plywood. Install 1 4 inch cork by thin setting it to the concrete pad then installing the heating system by fastening it to. How to install vinyl tiles over a wood floor sand the wood floor make sure it s thoroughly clean and dry until it s as smooth and even as possible with no bumps. Apply fiberglass tape to each seam in the backerboard to cover it.

You shouldn t tile directly over hardwood flooring since it can expand contract and cup due to seasonal changes in temperature and humidity. Floor tiles usually should be laid over a strong underlayment of cement board or treated plywood. How to tile on a wooden floor 1. Measure the wall.

Cut the backerboard to fit the edges. Uncoupling membranes aren t recommended for tiles smaller than 2 inches square and should not be used when covering old hardwood flooring due to adhesion problems. A couple options considered are. If so make sure the floor is solid and well sealed.

Check for dips in the floor by sliding a 4 foot to 6 foot straight edge in different directions all around the room. If your wood subfloor is smooth and even you can progress to step 3. If the tile is being installed in a bathroom consider applying an isolation membrane over your wood subfloor to further protect against expansion and contraction. While tile can be laid on plywood do not install tile directly onto the plywood subfloor itself.

Roll on a layer of latex primer sealer. Use thinset with a higher latex content thinset is the wet base that you first trowel on the plywood to make the tile stick. First changes in humidity make solid wood shrink swell and cup more than plywood. If the hardwood flooring is composed of narrow boards with a very smooth flat surface you could leave the flooring in place and screw cement backer board down on top of it before applying the tile.

Tape off any affected vents with painter s tape. This prepares and seals the surface for the. According to backer board manufacturers and tile setters installing backer board directly over an old solid wood subfloor is risky for a couple of reasons. However if it s still somewhat rough bumpy or.

Fill seams in the subfloor with caulk. A 3 4 inch plywood subfloor on a joist structure with 24 inch spacing needs the extra thickness of cementboard or the floor will flex and the tiles will crack. Trowel on a thin layer of thinset mortar over the. Lay down 1 2 inch thick cement backerboard over the wood subfloor or hardwood.