If the uneven floor is due to floor joists that have warped or twisted over time or were incorrectly installed the only way to level the floor is to remove the subflooring and shim the joists.
How to fix an uneven tile floor.
Quite often the reason for uneven tiles is an uneven layer of thinset mortar holding tiles on the floor.
The problem areas are marked with tape.
This compound can potentially be utilized on a concrete slab or a wood subfloor and it works well when you are dealing with dips in the floor.
When you are dealing with uneven floors one option that you have is to use self leveling compound.
An uneven floor or wall surface can lead to several problems in a tile job.
A reader would like to even out these travertine tiles.
Dig the grout from the edges of the uneven tile using your tile saw to break the grout surface and scrape it out without damaging the tiles.
Not only are uneven ceramic tiles unsightly but on a floor they also pose a trip hazard.
Reader photo by jeanne huber.
How to fix an uneven tile floor.