How To Install Ceramic Tile Under Plywood Subfloor

Lift one sheet leave the rest in place and spread thinset directly onto the subfloor filling the area left by the sheet use a 1 4 x 1 4 notch trowel.

How to install ceramic tile under plywood subfloor.

The coach demonstrates how to install a 3 8 plywood subfloor in a bathroom. Need to install a subfloor. Use intervening layers of two sheets of plywood. Use a polymer modified thin set a type of mortar to attach the backer board to the subfloor.

Secondly i would never tile directly over the plywood as this video seems to imply is acceptable. Mix your thinset according to the instructions on the bag. I ll either use 1 4 inch cement backerboard or a proprietary product like schluter ditra. Add a layer of 1 2 in.

Bc plywood over the old subfloor using construction adhesive and driving 1 1 4 in. Install a cement based backer board following the manufacturer s instructions. In my experience tile applied directly to plywood will be a short lived installation and more likely to encourage rot in areas near a tub or shower. You can have 5 8 osb and 19 2 oc joists and it still works.

Pull the tile up and check the back of the tile. Install the sheets one at a time. This provides a solid surface under the tile that prevents flexing that could lead to cracking. Lay the tile flat and then with mild pressure slide the tile 1 4 inch back against the thin set ridges then slide it back into place.

The plywood adds stiffness and stability to the floor. Planning and patience along with these tips will help ensure that you install the quality of finished flooring you are looking for. While tile can be laid on plywood do not install tile directly onto the plywood subfloor itself. It should be completely covered with thin set.

Screws every 6 in. Osb panels provide an excellent base for many types of finished flooring including ceramic tiles if careful attention to the construction and preparation of the subfloor is paid in order to avoid costly callbacks. Always follow the manufacturer s installation. With the plywood in place install the backer board as you normally would.

Use thinset with a higher latex content thinset is the wet base that you first trowel on the plywood to make the tile stick. Once you have filled the space place the sheet down onto the thinset.