You will have to make sure your joists can handle the addition of considerably more weight from the plywood subfloor and any floor coverings.
How to fix uneven ceramic tile 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.
Available at stores like home depot and lowes these peel and stick tiles are available for less than 1 a square foot.
Remove the old.
Vinyl peel stick flooring or vtf has come a long way from the vinyl tile flooring options that were popular in the 1980 s.
That being to lift the tiles scrape the floor and do a re install.
Step 2 hold the tip of your chisel in one of the spaces around the uneven tile where it meets the wall.
As for the grout it will take time but you can remove it and regrout.
Quite often the reason for uneven tiles is an uneven layer of thinset mortar holding tiles on the floor.
Not only are uneven ceramic tiles unsightly but on a floor they also pose a trip hazard.
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.
Or you get lippage.
Replace your old uneven floor cheap and easy.
We show you how to replace your uneven flloor or subfloor.
It s actually a very simple process.
The floor has to be flat flat flat.
That s why most major manufactureres have begun to recommend medium bedding mortar with some type of leveling system being used.
Some small amount of lippage is inevitable with large format tile set with thinset.
However if it is just some tiles that are affected you can try lifting these do a proper surface prep and reinstall them.
A plywood subfloor will bridge any minor waves in the existing floor and leveling compound would help too.
On the top side of the floor another fix it idea to lay down new hardwood over the existing floor.