How To Install Ceramic Tile Over Plywood Subfloor

It s usually a good idea to vacuum the floor just prior to spreading the thinset for the tiles.

How to install ceramic tile over plywood subfloor.

If you find hollows and valleys you must fill them with a self leveling underlayment. With the plywood in place install the backer board as you normally would. Bc plywood over the old subfloor using construction adhesive and driving 1 1 4 in. When it comes to mortar latex or epoxy options are best for installing tile over tile.

Lay down a vapour barrier overtop the concrete pad then fasten 3 4 inch plywood using a ramset to the concrete pad through the vapor barrier then install the heating system to the plywood followed by applying the self leveling mortar over top the heating system and plywood and finally installing the tiles over top that. Use intervening layers of two sheets of plywood. The plywood adds stiffness and stability to the floor. Apply the crack suppression membrane over the joints of the boards.

Check for dips in the floor by sliding a 4 foot to 6 foot straight edge in different directions all around the room. When applying cement backer board over a plywood subfloor be sure to adhere the two surfaces together with thin set adhesive. Add a layer of 1 2 in. Use a thin set product to install ceramic tile over existing tiles.

A successful tile installation project requires a level surface. You will use the flat trowel to apply a thin layer according to the manufacturers specifications. Fill seams in the subfloor with caulk. This will distributed the stress caused by movement of the subfloor and prevent cracking in your tile.

Screws every 6 in. Concrete board concrete board also called backer board comes in 1 4 and 1 2 thicknesses and is usually sold in 4 x 6 sheets. This is a mixture of cement fine grain sand and water that will adhere the new tile to the old. It should be fastened to the subfloor using thinset and then screwed down every 10 square.

There are two materials commonly used for laying ceramic on plywood or osb that are applied before the tile. And screw the cement backer board down with special screws that countersink into the backer board such as backer on screws available at the home depot. Use thinset with a higher latex content thinset is the wet base that you first trowel on the plywood to make the tile stick. While tile can be laid on plywood do not install tile directly onto the plywood subfloor itself.