Trowel on thin set adhesive.
Thinset to go over vinyl.
Apply a layer of thin set tile adhesive to the vinyl using a notched trowel.
Exposed areas between ridges of adhesive should expose the vinyl flooring.
Most manufacturers of tile cement thinset have developed a specialty thinset for setting tile that bonds well to sheet vinyl.
Sheet vinyl is sometimes generically and incorrectly referred to as linoleum.
To do this scoop a small amount of thin set adhesive onto the floor then drag the edge of the trowel over it to cover the floor.
Screw each piece down around its perimeter with screws about 6 inches apart and place mesh tape over the joints.
The old vinyl tile you describe sounds like vct vinyl composition tile and it is tough stuff.
Be careful because thinset sets very fast.
However as with all tile installations the entire subfloor below the tile is important not only the layer to which the tile is bonded.
When installing new stone ceramic or porcelain tiles over a vinyl tile subfloor thinset is definitely the way to go.
Archive type of thinset to use over a lino floor tile forum advice board.
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.
Vacuum the floor to make sure there isn t any debris and mix the thinset.
Spread the thinset using a notched trowel in one direction and set the backer board.
Darn near impossible to get up.
Their glue will stick to vinyl.
When tiling over vinyl flooring on a wood subfloor you should apply a layer of 1 2 thick cement backer board first.
I ll consider both options.
Here s how to go about it.
Shot blasting and thinset that will go over it.
Apply thin set adhesive to the vinyl flooring with a notched trowel.
However sheet vinyl is a resilient type of flooring and is different than linoleum.
Btw the shot blasting has a collection vacuum and i would hire a company to do the removal if i choose to take that path.
And there are lots of em.
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.
To tile over sheet vinyl the following is generally recommended by most.
Some of us think what you re doing is a really bad idea even with a thinset mortar that will stick to the vinyl.