No matter how firm the subfloor.
How to tile over plywood subfloor.
While tile can be laid on plywood do not install tile directly onto the plywood subfloor itself.
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.
It should be fastened to the subfloor using thinset and then screwed down every 10 square.
For this project we are using the tavy thin skin system to prepare the surface for tile.
Use thinset with a higher latex content thinset is the wet base that you first trowel on the plywood to make the tile stick.
Installing tile over a wood subfloor is a lot easier today than it was when i started my remodeling career.
Concrete board concrete board also called backer boardcomes in 1 4 and 1 2 thicknesses and is usually sold in 4 x 6 sheets.
Begin by applying the thin skin adhesive to the plywood with a smooth trowel.
There are two materials commonly used for laying ceramic on plywood or osb that are applied before the tile.
Use intervening layers of two sheets of plywood.