I have repaired tile jobs that were over 20 years old that the tile was applied directly to regular sheetrock and plaster walls.
Tile over plaster walls in shower.
Here is a partial list of dusty and porous surfaces that are not recommended.
However tiling over tile can add quite a bit of thickness so make sure your wall can handle the weight.
On these kinds of walls the tiles will stick to the dust before adhering to the surface.
The adhesive and tile will block moisture from evaporating.
But with cement board.
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Cactus plant in an open shower beside a white oval freestanding tub in a walk in shower boasting marble tiled walls.
Moroccan style bathroom with gray door opening to reveal tadelakt plaster ed walls floors and moorish arched tub alcove filled with traditional shower head and faucet.
Or flatten walls with a latex modified skim coat product.
If you re not sure if you have lead paint test kits are available.
The problem otherwise is that grout is porous and any slight crack will cause moisture and mold on any other surface.
Mold does not grow on cement.
Follow manufacturer instructions to a tee.
Tile on tile or as i say it.
This was back in the 80 s.
Stucco wall brick wall stone wall unfinished wall gypsum or.
Fresh plaster whether applied as a patch or to the entire wall must dry completely before tile is applied.
That is true you cannot tile over plaster if that s your plan.
If plaster is any way compromised you should tear out to studs and start over.
You would have to remove the plaster and replace it not with drywall run from a contractor who says that.
The peel and stick tiles won t completely bond to the wall and risk falling on your kitchen or bathroom floor.
You may tile over existing tile painted or unpainted drywall plaster and textured walls.
Cover with cement board tape off.
Add a diverter and shower line in the wall.
It used to be very common to put tile up on whatever the wall was and seal the the tile.
Designers and builders are paying careful attention to universal design which includes an accessible curbless shower entry a wet room is the best way to accomplish this in the smallest amount of space and extending the same tile throughout a smaller space can help make it look.
Increased interest in european style wet rooms may have kicked off the recent surge in floor to ceiling tiled walls.