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.
Tile on plywood wall.
As the plywood or osb expands the ceramic won t.
If you put tile directly on top of plywood it will chip and break.
Can i tile to plywood on a wall.
No tile pro worth his her salt would recommend to tile directly on plywood.
Plywood and osb expand and contract with humidity and temperature much more than ceramic tile.
Things you will need screw driver wood filler tape measure chalk line tool pencil mastic v notched trowel scraper mastic remover level rubber mallet tile cutter grout rubber grout float sponge.
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.
However tiling over tile can add quite a bit of thickness so make sure your wall can handle the weight.
Wet areas such as bathrooms and washrooms as well as exterior settings need to use exterior grade plywood.
Tips for laying tile on plywood subfloor for flooring use intervening sheets of plywood.
To install the concrete board apply tile adhesive to the back then press it down against the plywood.
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.
Use thinset with a higher latex content.
Plywood is not dimensionally stable it can shrink swell and otherwise move around no matter how many screws are holding it in place.
Ceramic tile doesn t expand contract nearly as much.
You should not tile over wallpaper glossy surfaces lead paint or 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.
Shrinking and swelling will crack the grout can pop off tiles etc.
You cannot install tile directly onto plywood because it is not dimensionally stable.
If you re not sure if you have lead paint test kits are available.
You may tile over existing tile painted or unpainted drywall plaster and textured walls.
If you are working in an interior setting in a dry area where the tile will never come into contact with.
Then you want to install screws into the concrete board in each of the holes.