Scrub the wall tiles with diluted degreasing cleaner and a nylon scrub brush.
Tile over tile in bathroom wall.
Tile on tile or as i say it.
Layer newspaper on the floor across the bottom of the tiled wall.
Don t worry if you do pull a bit of plaster when stripping the tiles as it s easy enough to replace.
Roughen the tile with 80 grit sandpaper.
Always stagger your joints when putting new tiles onto old tiles what to do at the edges where double thickness of tiles show.
If your old ceramic tile is worn or dated you can lay new tile right over the old and avoid the huge job of tearing out the old tile.
Learn the largest tile industry secret to remodel your bathroom for just 200 bucks and 1 days work.
Bjd building roofing say.
Then rinse the wall with a water dampened.
You can tile over tiles with the right preparation but i would never do this the proper way is to strip right back to original wall finish.
Mix degreasing cleaner with water in a bucket using a dilution recommended by the cleaner manufacturer.
Lay a level on the old tile and mark any high spots.
Generally speaking thin set adhesive also known as thin set mortar is great for setting tiles in areas subject to moisture like bathrooms while mastic adhesive is best for drier spaces like.
Original tiles on wall the existing tile joints are in yellow.
New tiles on top of old tiles the new tile joints are highlighted in red.