Regular seasonal humidity shifts are significant enough to make the average 10 x 10 wood subfloor floor expand or contract as much as 1 2.
Tile on plywood wall.
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.
Use thinset with a higher latex content.
Wet areas such as bathrooms and washrooms as well as exterior settings need to use exterior grade plywood.
Use the right.
Tiling onto plywood under british standards bs 5385 part 1 plywood has now been excluded as a suitable substrate material for the direct fixing of wall tiles therefore when tiling on to walls a tile backer board is required.
However tiling over tile can add quite a bit of thickness so make sure your wall can handle the weight.
Plywood and osb expand and contract with humidity and temperature much more than ceramic tile.
Thinset is the wet base that you first trowel on the plywood to make the tile.
Plywood is not dimensionally stable it can shrink swell and otherwise move around no matter how many screws are holding it in place.
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.
Can i tile to plywood on a wall.
Shrinking and swelling will crack the grout can pop off tiles etc.
If you are working in an interior setting in a dry area where the tile will never come into contact with.
As the plywood or osb expands the ceramic won t.
You should not tile over wallpaper glossy surfaces lead paint or plywood.
If you re not sure if you have lead paint test kits are available.
Ceramic tile doesn t expand contract nearly as much.
No tile pro worth his her salt would recommend to tile directly on plywood.
Tips for laying tile on plywood subfloor for flooring use intervening sheets of plywood.
While tile can be laid on plywood do not install tile directly onto.
Then you want to install screws into the concrete board in each of the holes.
You may tile over existing tile painted or unpainted drywall plaster and textured walls.
However tiling onto plywood floors is still acceptable under british standards.
To install the concrete board apply tile adhesive to the back then press it down against the plywood.