No extra preparation is needed on a smooth surface.
Can you put stick on tiles over ceramic tiles.
If you want to put vinyl peel and stick tile over ceramic tile and get good results you have to do something about those grout lines.
With a good cleaning peel and stick smart tiles will stick on your kitchen or bathroom backsplash for as long as you want.
And it lasts for 20 years.
I recommend henry patch n level which you can buy pre mixed.
Tile on tile or as i say it.
Over time the vinyl will sink or be pressed down into the contour of these depressions telescoping the grout joints from the ceramic tile installation all the way up through the vinyl tiles.
Although ceramic tile is not the ideal surface on which to install vinyl peel stick we have had plenty of customers who have dobe this successfully.
Start in the inside of the room and scoop out a bunch of the leveling compound and smooth it over the grout lines with a trowel or putty knife and.
The tiles can also slide if the mastic is too thick.
Don t overdo it because the excess oozes from the tile joints requiring you to stop frequently and wipe it off with a damp cloth.