The safest most prudent course is to install tile on top of a cement backerboard such as durock wonderboard or hardiebacker.
How to install tile on plywood wall.
Then press 1 of the tiles into the adhesive firmly.
However tiling over tile can add quite a bit of thickness so make sure your wall can handle the weight.
Tiling onto plywood using a standard tile adhesive can be problematic initially i would make sure that the plywood surrounding the pipe work is secure and that you don t have any movement in it.
The preferred method for tile installations is to use a sheet of underlayment.
If possible you should always use concrete board underlayments rather than plywood.
Unlike wood or drywall sub surfaces cement backerboard will not rot warp or grow mold and mildew when exposed to water.
When it comes to installing a tile floor you will need a rubber mallet spacers a level a tile trowel and thin set or another type of mortar.
For wall installations plywood is overkill beneath the concrete or fiber board which is designed in five eighths inch material for wall settings.
To install ceramic wall tile use a level and measuring tape to mark the tile locations on the wall with chalk.
Plywood substrate alternatives.
If you re not sure if you have lead paint test kits are available.
Put tile spacers around the second tile and continue in this manner.
Cement backerboard is made for tiling.
Thin set is cement based but some mortars are labeled as non modified and require a latex polymer admixture that will improve the performance of the mortar and increase bond strength.
Step 6 cutting tiles.
Be sure to put spacers between each tile as you go.
You should not tile over wallpaper glossy surfaces lead paint or plywood.
Do not install glass tile over particleboard chipboard masonite press wood plywood or asbestos surfaces.
Whenever you re laying tile on a wood subfloor you need to first install cement backerboard to prevent leaks and water damage.
Wall preparation keep the installation surface clean and dry.
Make sure that there are no gaps behind the tile.
When you get to a cabinet or the wall make a.
Use long sweeping motions to apply mortar to the wall and start placing your tiles in the marked locations.
Next mix your grout and spread it into the gaps between the tiles using.
Then i would remove any loose tiles and scrap away any adhesive that is left on the ply and tile you want the ply and tile to be perfectly clean for.
Never install new tiles over existing tiles or onto an unprotected wood or plywood floor.