Before you install the porcelain tile on top of the vinyl you want to first assess the condition of the vinyl.
Can you lay porcelain tile over vinyl.
This isn t possible with every flooring material but it s often possible to install ceramic porcelain or stone tile over resilient flooring including standard sheet vinyl vinyl tile or linoleum.
Once you ve removed lose or broken pieces patch the empty sections with a liquid cement or mortar letting it settle level with the tile floor.
You can lay vinyl over tile if the tile surface is smooth and flat.
Ideally you would not install tile on top of a vinyl floor.
I ve been told to.
3 spread a thin layer of concrete over the vinyl and install tile.
1 remove both layers of vinyl before tile install.
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.
Home depot remodeling often calls for new flooring to fit with design changes and if the existing flooring is ceramic tile it s far easier to lay the new flooring directly over it than to remove it and start on a bare subfloor.
You need to make sure that the vinyl is secured to the floor well.
2 install and nail backerboard over the vinyl then install tile.