This is a mixture of cement fine grain sand and water that will adhere the new tile to the old.
Installing vinyl tile on rough concrete.
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Vinyl tile can be installed over concrete if the concrete is clean smooth and dry.
Any minor bumps can be removed with a cold chisel driven by a baby sledge hammer.
Buy the product recommended by the tile manufacturer.
Plywood underlayment over it.
Tile leveling systems can help keep your tiles level aligned properly spaced and held in place while the tile mortar cures.
Repair any holes or cracks.
Allow it to dry apply your grout just like you would on any other type of tile installation.
Used correctly tile leveling systems.
This will allow you to lay lvt over all sorts of surfaces.
Now if your house is on a concrete slab and you have a vinyl floor.
Use this home depot guide how to install a tile floor for more information.
When it comes to mortar latex or epoxy options are best for installing tile over tile.
If your wooden subfloor is in really rough shape install 1 4 in.
Any minor bumps can be removed with a masonry chisel and small sledgehammer.
You can lower high spots with a grinder.
Tape a large piece of plastic over the concrete floor securing all edges with duct tape.
Sheet vinyl can be installed over concrete if the surface of the concrete is clean smooth and dry.
However some people prefer to add another thin layer of subflooring between the concrete and vinyl.
To prepare a concrete subfloor for installing tile you ll need to do a different kind of preparation.
Lay a 2x4 board down when the concrete has dried to ensure you have addressed all of the issues.
Level these off to create a smooth and flat area that are even with the surrounding hills.
Also consider that doors cabinets and other hardware might need to be reworked or replaced with new ones to compensate for the higher floor.
Use a thin set product to install ceramic tile over existing tiles.
This additional layer can improve insulation and should make your vinyl plank flooring warmer and less resonant.
As long as that vinyl floor is adhered well to the slab not peeling up anywhere then you can install your tile right on top of it.
The concrete floor must also be free of cracks or the vinyl tile will eventually sag into the gap.
The low spots need to be filled in with a mix of fresh concrete before installing flooring on uneven subfloor.
Repair any holes or cracks.
So technically if you are installing vinyl plank flooring onto concrete you already have a subfloor.