Use a 3 4 or 1 in.
Diy concrete floor over tile.
Pour concrete sections one at a time that are approximately 1 10 of the total area of the tile you are working with.
A concrete sealer prevents moisture from staying underneath the ceramic tiles.
Before you begin to lay the tile over your concrete slab make sure the concrete is properly prepared.
Strike the face of stubborn tiles to break them up for easier removal.
This assumes that the floor underneath is solid concrete and that there are no cracks in the existing tile indicating underlying problems in the concrete.
Premade tile molds designed for concrete shallow baking pans or even sand may be used to create a form for the tiles.
If your old ceramic tile is worn or dated you can lay new tile right over the old and avoid the huge job of tearing out the old tile.
Laying floor tile over concrete is not a technically demanding job.
Step 1 preparing the concrete.
The next step is to apply a concrete sealer on the floor surface.
Masonry chisel and a 2 lb.
Work the chisel under the tiles forcing them loose.
Making the tiles yourself allows you to customize their sizes and shapes them to the project at hand such as a backsplash flooring for a hallway or a tiled top for a table.
Step 4 blend concrete.
If you are doing a thick overlay you need to lay an additional layer to apply over the top of the first layer you just poured.
In fact pros do it all the time.
Start at a broken tile or between tiles where the grout has loosened.
This is an optional step but can really benefit your tile installation in the long run.
It will also provide a stronger adhesion between mortar and concrete.
It is helpful to measure and calculate this ahead of time.