If your counters can accommodate a little extra thickness it s best to start with a layer of 1 4 inch cement board glued to the countertop and lay the tile over that.
Concrete over ceramic tile countertop.
There are a couple cracks but all concrete cracks.
Use a paintbrush to spread the adhesive.
You can choose any tile any color and any size but if all the choices seem daunting do what we did.
Apply a smooth thin layer of concrete bonding adhesive to the tiles.
This was an experiment to pour concrete over the top of existing countertops.
Roughen the existing tile surface with 60 grit sandpaper on an orbital sander.
Now we have done several concrete countertops before and have removed the old countertop and poured a whole new one.
Using a toothpick fill in the crack on the tile and then using the brush paint a thin layer of paint over the top of the tile.
If your grout is dingy purchase clorox bleach in a tube following the directions on the tube apply the clorox on the grout.
And i must say it has worked out so far.
Move the sander back and forth.
Dries quickly keep wet until satisfied with how it looks.
The first million layers are just filling in all the grout lines and trying to build up the counter surface to be smooth.
Use gloves and apply by hand to edges.
This is where using feather finish concrete over tile counters differs from applying it over a smooth surface.
Stir resurfacer and dry concrete dye together then add small amount water till like pancake batter trowel onto tile then use squeege and spray bottle of water to level and smooth.
How to do a concrete overlayment on tile countertops step 1.
Put in your own tumbled stone or ceramic tile countertops and backsplash.
We chose a natural slate tile with predesigned accent pieces and a marble edge for a custom look.
When dry it looks like soapstone.