If you are working in an interior setting in a dry area where the tile will never come into contact with water you can install the tile directly onto the face of the plywood so long as you use the proper type of thinset.
Glue tile to plywood.
It gives perfect bonding to porous substrates like wood ceramic as it is a thick adhesive.
Thin adhesives are unable to provide any bonding to porous substrates as they get absorbed by them.
You can bond tile directly to a plywood subfloor and expect it to last.
Unscrew register covers and save the screws.
Plywood will expand and deform if subjected to moisture or humidity.
Level the surface using a wood filler.
Answer we normally don t recommend to bonding to exterior glued plywood egp but it can be done in interior dry applications.
Unscrew switch plate and outlet covers and set aside.
It is a cyanoacrylate adhesive which is single component gives instant strong pasting.
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.
Try using polyfix instant wood glue.
Remove any obstacles from the installation area.
You can bond tile directly to wood with a flexible adhesive.
There may be times when you want to bond tile directly to plywood or another wood surface rather than screwing down backerboard first.
The joists if they re 2x8 newer code and not 2x10 older code must be braced every four feet with cross braces which minimizes independent flexing of each joist and the subfloor above.
How to glue tile to wood.