If there are extensive chips and cracks then the top layer of tiles might even weaken over.
Tiling over wall tiles.
Epoxy tile adhesive bonds with existing tiles making it one of the best options for tiling over an existing tiled wall.
You will learn how to stagger the joints of the new tiles over the old how to clean down existing tiled walls and how to provide great corners.
No matter whether you are tiling over tiles on a floor or a wall your new tiles will need a stable base.
You do not have to allot work hours to pull up the existing tiles which means the tiling work can be finished much faster and all without the big mess.
Some installers prefer to flatback each tile with the flat edge of the trowel before applying the tile to the combed thin set.
One solution can be peel and stick tiles which can be applied over wallpaper without much prep work just follow the product s directions.
Others prefer to use a larger notched trowel 1 2 x 1 2 in to apply the thin set.
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.
One advantage of doing this is that it is time saving.
When it means tiling over plaster and stripping the wallpaper could damage the plaster it ll be a judgment call.
What to consider before tiling over tiles.
Or larger and even more important when you re tiling over tile.
See the next section on preparing a wall.
Without a sound solid base no tiling job will ever be perfect.
And it lasts for 20 years.
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In the case of a floor this could cause both layers of tiles to lift up.
Tiling over tile is usually a much easier and cheaper solution than pulling up your original tiles and re tiling your floor or wall.
If the wall is being re tiled due to damp issues or any structural concerns then it wouldn t be advisable to tile over the existing tiles.
If the old tiles are in bad shape the new tiles won t adhere correctly.
In fact a lot of the basic rules for tiling still apply exactly as they do for any surface.
Mix degreasing cleaner with water in a bucket using a dilution recommended.
Complete adhesive coverage is critical on large tiles 12 in.