I am doing a commercial job and did a wall of large subways.
Tile over painted plaster walls.
January 7 2019 mark heinlein.
If you re not sure if you have lead paint test kits are available.
If the walls you want to tile are concrete walls with paint on them remove the paint before you install tile so the tile adhesive has something to grab onto and hold the tile in the correct place.
You may tile over existing tile painted or unpainted drywall plaster and textured walls.
Tiling over a painted surface.
I know the tcna handbook for ceramic glass and stone tile installation says that paint is not a recommended surface for tile installation but here is the situation.
Captain leaky oct 27 2007.
Don t try to use the tile setting adhesive or drywall joint compound to patch plaster walls.
Scrape the paint off the concrete wall or use a blaster.
The owner was taken with the installation and.
Just scratch through with a sharp blade making cats paw scratches all over the area to be tiled to allow the adhesive to bond on the plaster no need to remove the paint entirely.
Holes or cracked plaster requires patching.
Loose paint must be scraped and sanded off to prevent the tile adhesive from failing to adhere.
However tiling over tile can add quite a bit of thickness so make sure your wall can handle the weight.
Both painted and bare plaster allows for the installation of tile.