Not all plaster wall surfaces will support the tile properly.
Tile over plaster wall.
Gotall10 posted in general discussion on november 2 2010 08 23am i plan to put up tile in the bathroom as a tub surround.
The wall is plaster lathe and is good condition.
Loose paint must be scraped.
If plaster is any way compromised you should tear out to studs and start over.
Can you lay tile on plaster walls.
Both painted and bare plaster allows for the installation of tile.
If you re not sure if you have lead paint test kits are available.
Add a diverter and shower line in the wall.
Testing the wall for durability.
Tile over plaster wall.
You may tile over existing tile painted or unpainted drywall plaster and textured walls.
You should not tile over wallpaper glossy surfaces lead paint or plywood.
Or flatten walls with a latex modified skim coat product.
However tiling over tile can add quite a bit of thickness so make sure your wall can handle the weight.
Cover with cement board tape off.
If i aggressively sand or even strip the paint can i apply the tile over the plaster.