Fill in all large gaps and holes as these will prevent proper adhesion of the tiles.
Attaching ceramic tile to plywood.
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 the next stage.
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.
For flooring use intervening sheets of plywood.
You can bond tile directly to wood with a flexible adhesive.
Installing ceramic floor tile to a plywood sub floor has unique challenges beyond that of installation on a concrete floor.
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.
Plywood or osb flakeboard can expand and contract at too high a rate to be a stable foundation for tile.
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.
Then in either case the subfloor should probably be about an.
This will cause either the tile itself to crack and even come loose or cause the grout to crack inside the joints.
Space the field and edge fasteners.
Use thinset with a higher latex content.
Tips for laying tile on plywood subfloor.
Never install new tiles over existing tiles or onto an unprotected wood or plywood floor.
The silicone or urethane adhesives should work too but the thin set mortars are easier to work with and easier to get full adhesive contact between the tile and its substrate.
Remove any obstacles from the installation area.
Use the right type of plywood.
Unscrew register covers and save the screws.
Level the surface using a wood filler.
The preferred method for tile installations is to use a sheet of underlayment.
For wall installations plywood is overkill beneath the concrete or fiber board which is designed in five eighths inch material for wall settings.
There may be times when you want to bond tile directly to plywood or another wood surface rather than screwing down backerboard first.
However the floor must be properly reinforced to minimize flexing.
Backerboard can double the thickness of an installation which can be troublesome in some locations.
While tile can be laid on plywood do not install tile directly onto the plywood subfloor itself.
Unscrew switch plate and outlet covers and set aside.
This guide will teach you how to properly lay cement backerboard and use mortar to secure and level your subfloor before installing tile.