If you are tiling on a plywood floor with tiles above 400mm x 400mm in size or heavier tiles made of stone we recommend using an ultra flexible adhesive s2 such as bal fast flex.
How to put tile on plywood floor.
It is a good idea to put half inch plywood underlay to strengthen the floor before using modified thin set to put the tile directly on wood.
Laying tile over a plywood subfloor can be tricky but.
Laying tile over a plywood subfloor can be tricky but if you prepare the sub floor properly your tile floor will last for a lifetime.
Then you want to install screws into the concrete board in each of the holes.
If the subfloor is 5 8 or 3 4 you can probably apply tile directly to it with no problem.
You must keep these arrows pointing in the same direction to ensure pattern alignment.
If you are unsure if the floor is stable enough always fix tiles using an ultra flexible adhesive s2 like bal fast flex.
Use thinset with a higher latex content thinset is the wet base that you first trowel on the plywood to make the tile stick.
Some tiles have directional arrows on the back.
Use intervening layers of two sheets of plywood.
Installing ceramic floor tile to a plywood sub floor has unique challenges beyond that of installation on a concrete floor.
This will cause either the tile itself to crack and even come loose or cause the grout to crack inside the joints.
You cannot install tile directly onto plywood because it is not dimensionally stable.
If you put tile directly on top of plywood it will chip and break.
To install the concrete board apply tile adhesive to the back then press it down against the plywood.