Mix your thinset according to the instructions on the bag.
How to put ceramic tile down on plywood.
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.
Be sure that the nails are long enough to go through both pieces of plywood and that the nail heads are set below the surface.
Measure the area to ensure you have enough tile.
The silicone or urethane adhesives should work too but the thin set mortars are easier to work with and easier to get full adhesive contact between the tile and its substrate.
Install the sheets one at a time.
Once you have filled the space place the sheet down onto the thinset.
Proper way to lay ceramic on plywood or osb.
Use a chalk line to lay out a pattern of 8 squares throughout the field where the tile will be installed and 6 around the perimeter.
Mark the loose tile and cut it to fit along the edge.
Then place another tile on the loose one and up against the tile on the wall.
It should be fastened to the subfloor using thinset and then screwed down every 10 square.
There are thin set dry set mortars design specifically for adhering ceramic tile to plywood that is designated as an ansi a118 11 thin set mortar.
Next place a loose tile directly over the last full tile you laid this is the tile you ll cut to size.
It is recommended to sand the floor using 80 grit sandpaper.
There are two materials commonly used for laying ceramic on plywood or osb that are applied before the tile.
Use a thin set product to install ceramic tile over existing tiles.
Use intervening layers of two sheets of plywood.
If you re facing the tile and your lines are straight up and down wiggle the tile sideways as you place it in this way you will smear the thinset evenly into the tracks between the lines.
Use thinset with a higher latex content thinset is the wet base that you first trowel on the plywood to make the tile stick.
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.
While tile can be laid on plywood do not install tile directly onto the plywood subfloor itself.
First set a scrap tile against the wall it allows space for grout.
After the tile has been sanded clean and remove all particles and dust before applying a floor leveler product to fill in grout lines and level the surface completely for the new tile application.
Concrete subfloors typically don t require backer board.
Inspect your subfloor and correct any dips cracks or uneven places that will cause your tile to buckle or not install properly.