How To Install Ceramic Tile Floor On Cement

This is an optional step but can really benefit your tile installation in the long run.

How to install ceramic tile floor on cement.

This provides a solid surface under the tile that prevents flexing that could lead to cracking. The next step is to apply a concrete sealer on the floor surface. 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. Lay the tiles into the mortar and using the spacers make sure you are running even with the chalk line.

It will also provide a stronger adhesion between mortar and concrete. A thinner subfloor will cause the floor to flex due to the weight of the tile. Once a tile is set try to avoid touching it again. A concrete sealer prevents moisture from staying underneath the ceramic tiles.

Installing over wood. If you take the time to level the floor install a membrane and layout your tile properly you can improve the look of a concrete floor within a week. To install ceramic tile over wood the wood surface must be structurally sound enough to support the weight of the tile. As you move on to the subsequent rows use the spacers to keep your pattern square.

Installing tile directly on concrete. Ceramic and porcelain tile are so frequently installed at or above grade level on a cement board underlayment or directly on plywood that it almost seems novel to install tile directly on concrete. Install a cement based backer board following the manufacturer s instructions. Yet this application does make sense since concrete is heavy solid and is typically thought of as an unbending uncompromising material.

Steps part 1 of 4. Use a polymer modified thin set a type of mortar to attach the backer board to the subfloor. Step 3 plan your layout. Chipboard cushioned vinyl flooring particle boards of any type oriented strand board osb interior grade plywood tongue and groove planking and hardwood floors are unsuitable substrates for direct installation of ceramic tile.