This was back in the 80 s.
Tile over plaster walls in shower.
This is a renovation i did of my 1960 s plaster mud job bathroom.
Use 7 5 cm 3 inch galvanised screws and screw directly through the mesh and into the wall framing behind the tile.
Bring plumbing to code.
The surface of a plaster wall is too smooth for the cement to grip to.
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You may tile over existing tile painted or unpainted drywall plaster and textured walls.
And it lasts for 20 years.
Tiled walls can last many years but that s not always a good thing.
It used to be very common to put tile up on whatever the wall was and seal the the tile.
Add a diverter and shower line in the wall.
I have repaired tile jobs that were over 20 years old that the tile was applied directly to regular sheetrock and plaster walls.
Cover with cement board tape off.
A glue adhesive works better for installing tile over plaster.
Some products are designed specifically for use between tile and plaster walls but any tile setting adhesive designed for thin set use will work.
Tile on tile or as i say it.
If plaster is any way compromised you should tear out to studs and start over.
I didn t want to demo the bedroom bath so i used wedi board over the existing tiles pla.
You should not tile over wallpaper glossy surfaces lead paint or plywood.
However tiling over tile can add quite a bit of thickness so make sure your wall can handle the weight.
Or flatten walls with a latex modified skim coat product.
Install the diamond mesh directly over your tile surface.
If you re not sure if you have lead paint test kits are available.
Colorful tiles may go out of style and some tiles are inappropriate for the space.