Apply a layer of thin set tile adhesive to the vinyl using a notched trowel.
Thinset to go over vinyl.
Archive type of thinset to use over a lino floor tile forum advice board.
I plan to put down interior plywood stapled over the vinyl and then thinset hardibacker thinset and ceramic tiles.
When installing new stone ceramic or porcelain tiles over a vinyl tile subfloor thinset is definitely the way to go.
Be careful because thinset sets very fast.
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.
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.
However sheet vinyl is a resilient type of flooring and is different than linoleum.
Most manufacturers of tile cement thinset have developed a specialty thinset for setting tile that bonds well to sheet vinyl.
Darn near impossible to get up.
Their glue will stick to 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.
And there are lots of em.
Shot blasting and thinset that will go over it.
Apply thin set adhesive to the vinyl flooring with a notched trowel.
The trouble is that thinset generally requires a textured surface to bond at.
Sheet vinyl is sometimes generically and incorrectly referred to as linoleum.
To tile over sheet vinyl the following is generally recommended by most.
Trowel on thin set adhesive.
I ll consider both options.
Exposed areas between ridges of adhesive should expose the vinyl flooring.
Vacuum the floor to make sure there isn t any debris and mix the thinset.
Some of us think what you re doing is a really bad idea even with a thinset mortar that will stick to the vinyl.
Spread the thinset using a notched trowel in one direction and set the backer board.
The old vinyl tile you describe sounds like vct vinyl composition tile and it is tough stuff.
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.
Here s how to go about it.