Here is a partial list of dusty and porous surfaces that are not recommended.
Can you tile on plywood wall.
Use thinset with a higher latex content thinset is the wet base that you first trowel on the plywood to make the tile stick.
You cannot install tile directly onto plywood because it is not dimensionally stable.
Mastic adheres the tile directly to a wooden sub floor to a wooden back splash or onto a piece of plywood.
It is more important as a subfloor than anything else.
For wall installations your real concerns are whether you want to use thinset directly on the wood and whether you are using an exterior or interior type of plywood.
Glue called mastic is the least expensive method for installing tiles.
Then you want to install screws into the concrete board in each of the holes.
While some types of plywood can be used in certain types of tile installations use of the material has limitations.
Stucco wall brick wall stone wall unfinished wall gypsum or plaster unpainted plywood.
However tiling onto plywood floors is still acceptable under british standards.
Use intervening layers of two sheets of plywood.
Getting started you may tile over existing tile painted or unpainted drywall plaster and textured walls.
Since plywood is often used as an underlayment for floor tile some do it yourselfers may believe that it can also be used in shower wall applications.
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.
The peel and stick tiles won t completely bond to the wall and risk falling on your kitchen or bathroom floor.
If you put tile directly on top of plywood it will chip and break.
You should not tile over wallpaper glossy surfaces lead paint or plywood.