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.
Thinset to go over vinyl.
Vacuum the floor to make sure there isn t any debris and mix the thinset.
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.
To tile over sheet vinyl the following is generally recommended by most.
Spread the thinset using a notched trowel in one direction and set the backer board.
Darn near impossible to get up.
Some of us think what you re doing is a really bad idea even with a thinset mortar that will stick to the vinyl.
Apply a layer of thin set tile adhesive to the vinyl using a notched trowel.
When tiling over vinyl flooring on a wood subfloor you should apply a layer of 1 2 thick cement backer board first.
Be careful because thinset sets very fast.
The old vinyl tile you describe sounds like vct vinyl composition tile and it is tough stuff.
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.
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.
I plan to put down interior plywood stapled over the vinyl and then thinset hardibacker thinset and ceramic tiles.
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.
Apply thin set adhesive to the vinyl flooring with a notched trowel.
And there are lots of em.
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.
I ll consider both options.
Their glue will stick to vinyl.
Shot blasting and thinset that will go over it.
When installing new stone ceramic or porcelain tiles over a vinyl tile subfloor thinset is definitely the way to go.
However sheet vinyl is a resilient type of flooring and is different than linoleum.
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.
The trouble is that thinset generally requires a textured surface to bond at.
Exposed areas between ridges of adhesive should expose the vinyl flooring.