How To Install Ceramic Tile Under Plywood Subfloor

Once you have filled the space place the sheet down onto the thinset.

How to install ceramic tile under plywood subfloor.

The coach demonstrates how to install a 3 8 plywood subfloor in a bathroom. 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. Planning and patience along with these tips will help ensure that you install the quality of finished flooring you are looking for. Need to install a subfloor.

With the plywood in place install the backer board as you normally would. There are tile companies that actually use 3 4 exterior rated plywood as their standard substrate with a quality modified thinset. Use a polymer modified thin set a type of mortar to attach the backer board to the subfloor. Always follow the manufacturer s installation.

Screws every 6 in. 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. Mix your thinset according to the instructions on the bag. If you want to know why it s because it pretty much doesn t matter what the subfloor is under that plywood.

Add a layer of 1 2 in. 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. Use thinset with a higher latex content thinset is the wet base that you first trowel on the plywood to make the tile stick. Put the first test tile onto the thin set bed.

Use intervening layers of two sheets of plywood. I ll either use 1 4 inch cement backerboard or a proprietary product like schluter ditra. It should be completely covered with thin set. You can have 5 8 osb and 19 2 oc joists and it still works.

Bc plywood over the old subfloor using construction adhesive and driving 1 1 4 in. This provides a solid surface under the tile that prevents flexing that could lead to cracking. Secondly i would never tile directly over the plywood as this video seems to imply is acceptable. While tile can be laid on plywood do not install tile directly onto the plywood subfloor itself.

Pull the tile up and check the back of the tile. Install the sheets one at a time.