To install ceramic tile over wood the wood surface must be structurally sound enough to support the weight of the tile.
How to lay ceramic tile over vinyl tile.
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.
The plan is to install 12 12 ceramic tile.
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.
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.
1 remove both layers of vinyl before tile install.
And no resilient flooring with a cushioned construction will work beneath ceramic tile.
3 spread a thin layer of concrete over the vinyl and install tile.
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.
I ve been told to.
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.
The main caveat is that all vinyl formats call for a smooth subfloor including sheet vinyl vinyl tile and luxury vinyl planks and tiles.
2 install and nail backerboard over the vinyl then install tile.