The condition of the existing tiles and the structural.
Vcan you install ceramic floor tile over existing tile.
Position your tiles according to the layout you choose.
Installing a new ceramic floor over an existing tile floor is something most diy homeowners can tackle.
Installing over existing vinyl.
You can also tile over vinyl tiles that are glued down if none of the tiles are loose or curling up.
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.
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You can add extra thinset under your new tiles if needed to ensure they re level.
However if you can t remove the old surface or otherwise decide to install over it lay a backer board with thin set over the old surface to serve as your new subfloor material.
After the thin layer has dried which should take about 30 minutes use a notched trowel to add a second layer over the first layer taking care to create even ridges over the surface.
When you re ready to install tile over linoleum a thin layer of mortar should be spread over the floor s surface with a flat edged trowel.
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.
As you re installing your tiles use a level to make sure the new floor remains even.
It s really not much.
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.
Installing ceramic tile over vinyl or linoleum surfaces can be more complicated than expected and probably should be avoided whenever possible.
In fact pros do it all the time.
How to install new ceramic floor tile on top of old ceramic tile.
Tile on tile or as i say it.
And it lasts for 20 years.