Tape a large piece of plastic over the concrete floor securing all edges with duct tape.
Installing vinyl tile on rough concrete.
You can lower high spots with a grinder.
Tile leveling systems can help keep your tiles level aligned properly spaced and held in place while the tile mortar cures.
This will allow you to lay lvt over all sorts of surfaces.
However some people prefer to add another thin layer of subflooring between the concrete and vinyl.
If your wooden subfloor is in really rough shape install 1 4 in.
Also consider that doors cabinets and other hardware might need to be reworked or replaced with new ones to compensate for the higher floor.
Repair any holes or cracks.
Plywood underlayment over it.
Lay a 2x4 board down when the concrete has dried to ensure you have addressed all of the issues.
This is a mixture of cement fine grain sand and water that will adhere the new tile to the old.
Another option is to install a vinyl underlayment.
Repair any holes or cracks.
So technically if you are installing vinyl plank flooring onto concrete you already have a subfloor.
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.
Use a thin set product to install ceramic tile over existing tiles.
Used correctly tile leveling systems.
Allow it to dry apply your grout just like you would on any other type of tile installation.
Any minor bumps can be removed with a cold chisel driven by a baby sledge hammer.
Any minor bumps can be removed with a masonry chisel and small sledgehammer.
The low spots need to be filled in with a mix of fresh concrete before installing flooring on uneven subfloor.
Use this home depot guide how to install a tile floor for more information.
Buy the product recommended by the tile manufacturer.
Now if your house is on a concrete slab and you have a vinyl floor.
This additional layer can improve insulation and should make your vinyl plank flooring warmer and less resonant.
The concrete floor must also be free of cracks or the vinyl tile will eventually sag into the gap.
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Level these off to create a smooth and flat area that are even with the surrounding hills.
When it comes to mortar latex or epoxy options are best for installing tile over tile.
Plywood particleboard osb ceramic tile sheet vinyl or painted cement.
Sheet vinyl can be installed over concrete if the surface of the concrete is clean smooth and dry.