Tile needs a roughened surface to bond with the concrete overlay and heavy duty sandpaper with a medium grit does the job.
Concrete overlay on ceramic tile.
How to do a concrete overlayment on tile countertops step 1.
Roughen the existing tile surface with 60 grit sandpaper on an orbital sander.
Interior overlays are used when a concrete floor needs to be resurfaced and the owner wants an acid stained look or a polished appearance.
Adding a concrete overlay can add new life to a tile floor that may be worn or out of date design wise.
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.
A spray down or sprayed on concrete overlay is great when you need some texture on the surface for slip resistance or if you use a stencil to create a pattern like the one below.
Use a paintbrush to spread the adhesive.
Step 1 decide overlay thickness and design you first need to consider how thick your concrete overlay will be.
You most certainly can pour a new floor over your ceramic tile.
Move the sander back and forth.
Apply a smooth thin layer of concrete bonding adhesive to the tiles.
This can be done at a cost that is lower than it would be to remove and replace the tile.
After sanding i wiped down the dust with a damp paper towel added another layer of concrete sanded that layer and repeated those steps until i couldn t see the white tiles anymore.
A decorative concrete overlay or microtopping is a great solution for restoring and enhancing worn damaged or discolored concrete floors.
Lightweight cement based overlays mimic stone brick and other wall textures placing overlays over tile floors by chris sullivan chemsystems inc.