Epoxy tile adhesive bonds with existing tiles making it one of the best options for tiling over an existing tiled wall.
Plaster over tile wall.
Loose paint must be scraped.
However tiling over tile can add quite a bit of thickness so make sure your wall can handle the weight.
Use a stud finer to find the wall studs and mark them with a pencil or marker.
Use 7 5 cm 3 inch galvanised screws and screw directly through the mesh and into the wall framing behind the tile.
Glazed wall tile offer nothing for plaster to stick to so plastering directly to tile isn t a good idea.
You should not tile over wallpaper glossy surfaces lead paint or plywood.
Testing the wall for durability.
If you re not sure if you have lead paint test kits are available.
You may need to drill holes into the tiles to penetrate the surface with the screws.
Install the diamond mesh directly over your tile surface.
Mix degreasing cleaner with water in a bucket using a dilution recommended.
Not all plaster wall surfaces will support the tile properly.
How can you plaster over a glazed tile wall.
Well in the old days you would drill holes at the top every 150mm put a small hose throught the holes atached to a funnel then you would mix unibond with 70 water and pour in then you would go down half way drill holes again and repeat leave three days to dry with the lime plaster and hores hair and lathes it would harden like concarete give wack with hammer to test its strengh then tile.
Both painted and bare plaster allows for the installation of tile.