It should be fastened to the subfloor using thinset and then screwed down every 10 square.
How to lay ceramic tile on plywood subfloor.
Once you have filled the space place the sheet down onto the thinset.
No matter how firm the subfloor.
Use a large bucket and.
The plywood will expand and contract at a different rate as the tile causing cracks to develop in the grout lines or tiles over time.
Thinset is the wet base that you first trowel on the plywood to make the tile.
Tips for laying tile on plywood subfloor for flooring use intervening sheets of plywood.
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.
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.
Follow the directions on the packaging to properly mix the thin set mortar.
If the old subfloor is covered with a thick bed of mortar that s in good condition you can tile over it.
There s a caveat though.
If the subfloor is plywood install a layer of cement backer board on top before tiling.
If the mortar bed is uneven or cracked apply a leveling or patching compound as needed first.
Use the right.
Wet locations such as bathrooms require the addition of a waterproofing layer.
There are two materials commonly used for laying ceramic on plywood or osb that are applied before the tile.
Mix your thinset according to the instructions on the bag.
Install the sheets one at a time.
While tile can be laid on plywood do not install tile directly onto.
In residential use the tile council of north america specifically allows ceramic tile to be installed directly over 1 2 in.
Use thinset with a higher latex content.
With a trowel scoop out and spread enough mortar on.