If you re working with an existing tile wall you have two choices.
How to install wall tile over existing tile.
Repair any loose or cracked tiles.
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Tile on tile or as i say it.
This assumes that the floor underneath is solid concrete and that there are no cracks in the existing tile indicating underlying problems in the concrete.
In fact pros do it all the time.
If existing tiles are beyond repair remove the tile and.
Epoxy tile adhesive bonds with existing tiles making it one of the best options for tiling over an existing tiled wall.
Tiling over an uneven surface will give you less than stellar results so level out any globs of dried grout with a sander and secure loose tiles with fresh tile adhesive before beginning the project.
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.
To do so make sure all of the tiles are intact and secure.
Position your tiles according to the layout you choose.
The basic tiling process is the same as any tile installation.
And it lasts for 20 years.
Removing existing tile before installing new tile is recommended however sometimes old tile can be very difficult or almost impossible to remove.
Tiling over an existing tile floor or wall adds approximately to inch of height or width to the finished product.
Working in small sections spread the thinset over the existing tile using a notched trowel.
Using a modified mortar with latex or polymer additives creates a stronger bond between the existing tile floor and your new tiles.
Mix degreasing cleaner with water in a bucket using a dilution recommended.