Use long sweeping motions to apply mortar to the wall and start placing your tiles in the marked locations.
How to lay tile on plywood wall.
If you put tile directly on top of plywood it will chip and break.
Clean and heavily score area to where tiles are to be fixed it sounds like the adhesive does not have a rough surface in which to secure itself to.
Then you want to install screws into the concrete board in each of the holes.
Do not install glass tile over particleboard chipboard masonite press wood plywood or asbestos surfaces.
For the best results when tiling onto plywood floors follow these instructions.
Next mix your grout and spread it into the gaps between the tiles using.
Unlike wood or drywall sub surfaces cement backerboard will not rot warp or grow mold and mildew when exposed to water.
Laying tile to veneer plywood risks loosening and unbonding the veneer creating an unstable base for the tile.
To be sure maybe drill up to 6 evenly spread out holes in the plywood at least 4mm deep or straight through in the areas to be tiled so the adhesive sinks into the holes and hardens hence creating a stronger fix.
Whenever you re laying tile on a wood subfloor you need to first install cement backerboard to prevent leaks and water damage.
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.
To install ceramic wall tile use a level and measuring tape to mark the tile locations on the wall with chalk.
To install the concrete board apply tile adhesive to the back then press it down against the plywood.
Step 4 center.
Center your tile in the bathroom.
Space the field and edge fasteners correctly the top layer of plywood should be screwed down every 8 inches on the edge and every 6 inches in the field or interior section.
Wall preparation keep the installation surface clean and dry.
Be sure to put spacers between each tile as you go.
For wall installations plywood is overkill beneath the concrete or fiber board which is designed in five eighths inch material for wall settings.