With vinyl tile the possibility of shifting is also present.
How to lay ceramic tile over vinyl tile.
If the grout lines in the ceramic tile are deep you ll see and feel them under sheet flooring and if you choose to install preglued vinyl tiles they won t stick.
Once the tile is leveled off your next step is to remove the toilet so that the floor can be laid under it not cut around it.
Next if the tile s joints are deep you ll want regrout them to bring them flush with the tile so that the lines won t telegraph show through the vinyl floor.
Chipboard cushioned vinyl flooring particle boards of any type oriented strand board osb interior grade plywood tongue and groove planking and hardwood floors are unsuitable substrates for direct installation of ceramic tile.
3 spread a thin layer of concrete over the vinyl and install tile.
1 remove both layers of vinyl before tile install.
Installing over wood.
To install ceramic tile over wood the wood surface must be structurally sound enough to support the weight of the tile.
2 install and nail backerboard over the vinyl then install tile.
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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.
Loose lay perimeter bond sheet vinyl can shift beneath the tile installation making it unsuitable as a base for ceramic tile.