How to do a concrete overlayment on tile countertops step 1.
Concrete over ceramic tile countertop.
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.
If your grout is dingy purchase clorox bleach in a tube following the directions on the tube apply the clorox on the grout.
There are a couple cracks but all concrete cracks.
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.
We chose a natural slate tile with predesigned accent pieces and a marble edge for a custom look.
Look for sandpaper made with silicon carbide or ceramic instead of.
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.
Use a paintbrush to spread the adhesive.
This is where using feather finish concrete over tile counters differs from applying it over a smooth surface.
And i must say it has worked out so far.
Move the sander back and forth.
Use gloves and apply by hand to edges.
When dry it looks like soapstone.
Tile needs a roughened surface to bond with the concrete overlay and heavy duty sandpaper with a medium grit does the job.
Roughen the existing tile surface with 60 grit sandpaper on an orbital sander.
Put in your own tumbled stone or ceramic tile countertops and backsplash.
This was an experiment to pour concrete over the top of existing countertops.
Tile can be installed directly on top of the old counters provided they are flat and are stable enough to prevent the new tile from cracking.