To tile over sheet vinyl the following is generally recommended by most.
Thinset to go over vinyl.
Shot blasting and thinset that will go over it.
Apply a layer of thin set tile adhesive to the vinyl using a notched trowel.
Most manufacturers of tile cement thinset have developed a specialty thinset for setting tile that bonds well to sheet vinyl.
Their glue will stick to vinyl.
Archive type of thinset to use over a lino floor tile forum advice board.
The trouble is that thinset generally requires a textured surface to bond at.
Darn near impossible to get up.
And there are lots of em.
Apply thin set adhesive to the vinyl flooring with a notched trowel.
The old vinyl tile you describe sounds like vct vinyl composition tile and it is tough stuff.
Sheet vinyl is sometimes generically and incorrectly referred to as linoleum.
However sheet vinyl is a resilient type of flooring and is different than linoleum.
Exposed areas between ridges of adhesive should expose the vinyl flooring.
When installing new stone ceramic or porcelain tiles over a vinyl tile subfloor thinset is definitely the way to go.
Here s how to go about it.
I ll consider both options.
When tiling over vinyl flooring on a wood subfloor you should apply a layer of 1 2 thick cement backer board first.
Be installed over an existing single layer of non cushioned sheet vinyl as long as the vinyl is fully adhered to the substrate and is not perimeter glued or loose laid.
I plan to put down interior plywood stapled over the vinyl and then thinset hardibacker thinset and ceramic tiles.
Some of us think what you re doing is a really bad idea even with a thinset mortar that will stick to the vinyl.
But it says right on the thinset label ost all of the mainstream manufacturers of tile thinset mortar adhesive offer a product that clearly states on their label that their product is suitable for installation of tile over vinyl flooring.
However as with all tile installations the entire subfloor below the tile is important not only the layer to which the tile is bonded.
Spread the thinset using a notched trowel in one direction and set the backer board.
Under that i found some green 12 vinyl squares good condition which appear to have been stapled directly on the plywood subfloor of at least 1 1 8.
Trowel on thin set adhesive.
Screw each piece down around its perimeter with screws about 6 inches apart and place mesh tape over the joints.
Vacuum the floor to make sure there isn t any debris and mix the thinset.