You may tile over existing tile painted or unpainted drywall plaster and textured walls.
Plaster over tile wall.
You should not tile over wallpaper glossy surfaces lead paint or plywood.
Use 7 5 cm 3 inch galvanised screws and screw directly through the mesh and into the wall framing behind the tile.
Both painted and bare plaster allows for the installation of tile.
You may need to drill holes into the tiles to penetrate the surface with the screws.
If you re not sure if you have lead paint test kits are available.
Not all plaster wall surfaces will support the tile properly.
Loose paint must be scraped.
Glazed wall tile offer nothing for plaster to stick to so plastering directly to tile isn t a good idea.
Use a stud finer to find the wall studs and mark them with a pencil or marker.
Install the diamond mesh directly over your tile surface.
However tiling over tile can add quite a bit of thickness so make sure your wall can handle the weight.
Can you lay tile on plaster walls.
Add the fact that wall tiles may not be on a sound solid subsurface and the additional weight of the plaster could cause the wall to crack or even delaminate from the framing.
Testing the wall for durability.
Mix degreasing cleaner with water in a bucket using a dilution recommended.