How to install a shower surround over existing tiles step 1.
Tile over existing shower wall tile.
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.
Lay a level on the old tile and mark any high spots.
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This gives the tub surround sealant a stronger hold.
This option is less labor intensive than painting or replacing the tile but it s not.
Grind them down with a grinder.
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.
Roughen the tile with 80 grit sandpaper.
Mix degreasing cleaner with water in a bucket using a dilution recommended by the cleaner manufacturer.
Most kitchen and bath supply and design stores stock bath and shower liners which can cover ugly shower tile.
And it lasts for 20 years.
Scratch the tile with sandpaper to rough up the surface.
Tile on tile or as i say it.
Remove the faucet handle face plate spout and shower head.
While tiling on tile is a great solution for outdated tiles it s no solution for an existing tile job with issues.
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.
If your old tiles are loose drummy lifting too uneven or badly damaged they are better off removed.
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Then rinse the wall with a water dampened.
Scrub the wall tiles with diluted degreasing cleaner and a nylon scrub brush.
As much as i dispise pre mixed thinset for any application as a tile professional for 15 years i must strongly advise you to not give out advice to.
Typically screws secure each of these items in.