How To Install Ceramic Tile Over Plywood Subfloor

If you find hollows and valleys you must fill them with a self leveling underlayment.

How to install ceramic tile over plywood subfloor.

While tile can be laid on plywood do not install tile directly onto the plywood subfloor itself. Also consider that doors cabinets and other hardware might need to be reworked or replaced with new ones to compensate for the higher floor. When it comes to mortar latex or epoxy options are best for installing tile over tile. When the tile installer enters the room and is ready to begin working the subfloor must be completely flat and clean and all mortar used to install the underlayment must be dry.

Fill seams in the subfloor with caulk. When applying cement backer board over a plywood subfloor be sure to adhere the two surfaces together with thin set adhesive. A successful tile installation project requires a level surface. 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.

Bc plywood over the old subfloor using construction adhesive and driving 1 1 4 in. This is a mixture of cement fine grain sand and water that will adhere the new tile to the old. 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. Screws every 6 in.

Use thinset with a higher latex content thinset is the wet base that you first trowel on the plywood to make the tile stick. You will use the flat trowel to apply a thin layer according to the manufacturers specifications. Check for dips in the floor by sliding a 4 foot to 6 foot straight edge in different directions all around the room. The plywood adds stiffness and stability to the floor.

Use intervening layers of two sheets of plywood. There are two materials commonly used for laying ceramic on plywood or osb that are applied before the tile. 6 18 width across the joint. Use a thin set product to install ceramic tile over existing tiles.

Add a layer of 1 2 in. It should be fastened to the subfloor using thinset and then screwed down every 10 square. Apply the crack suppression membrane over the joints of the boards. It s usually a good idea to vacuum the floor just prior to spreading the thinset for the tiles.