The self leveling concrete can be applied to various thicknesses and will dry as a smooth topcoat over the primed tiles.
Can you use self leveling concrete over tile.
You can fill in dips and hollow spots in floors and reduce high spots by using cement based floor leveling compounds.
It is not recommended that you but self leveling screeds over vinyl tiles can cause yourself a bigger head ace in the long run and i know it can be a night mare of a job but always better to take tiles up and start from scratch.
Answered 20th jul 2015.
Another and i think better way would be to use a self leveling concrete that can be aplied in a much thinner coat and if head room is a problem would be of help.
There is no danger for asbestos exposure now unless the floor is drilled or cut into.
Do not use self leveling compound over glazed ceramic tiles or over floors where a majority of the installed tiles have cracked.
Instead of concrete you might see products called self leveling underlayment this name means exactly the same thing as self leveling concrete.
Working with a self leveling compound as a do it yourselfer requires some practice in order to learn how to efficiently lay the compound on the flooring before it hardens and sets up.
Wear work gloves safety goggles and a particle mask when mixing and applying the compound to avoid skin eye and lung contact.
They mix with water and are easy to apply.
Using a self leveling compound over your plywood subflooring is necessary in order to lay a ceramic tile floor.
Edit answer for another 31 minute you most certainly can pour a new floor over your ceramic tile.
Now let s clarify some things concerning product names.
These will bond to both wood and concrete.
If you were to use conventional concrete i would say you should pour a minimun of 3 inches both for strength and to ease leveling.
The rapid setting self levelers can put you under a bit more pressure as your doing the pour but the advantage is that they are ready to tile over in a matter of just a couple of hours in some cases.
Once cured the underlying tiles will be fully encapsulated and not at risk of crumbling with age.