If possible you should always use concrete board underlayments rather than plywood.
How to put tiles on wooden wall.
Spread the mastic over a 3 square foot section of your installation area using a notched trowel onto the wall.
Of course you want the room and wall to look great but weighing down the wall can cause problems in the long run.
Tip 3 treat the wood.
Mortar a small spot and then place a tile.
Find a tile that is light but still offers the aesthetic you want.
For wall installations plywood is overkill beneath the concrete or fiber board which is designed in five eighths inch material for wall settings.
Before doing any tile work you may want to consider where the wood paneling is.
Pull the tile up and look at the pattern that is create on the back.
When creating a grid pattern start at the center where the lines intersect.
Install the tiles by pressing them into the thin set and allowing it to dry for 24 hours.
Tiling on wood surfaces is all about ensuring there is enough rigidity in the wooden subfloor and selecting the correct flexible tile adhesive.
Test a tile to make sure the mortar is mixed and spread correctly.
Depending on the type of wooden floor being tiled onto this guide will help you to find the most appropriate solution for laying tiles.