Tile mastic doesn t stick well to formica and other laminates and the manufacturers won t warranty it if you try.
Tile over formica countertops.
Make sure the backsplash area is.
So you will want the uncut tile to be in the front with cut tiles in back.
Clear the surface where the old formica tile is in order to make way for the new replacement tiles.
Four inch square ceramic tile likely will not perfectly fit your countertop depth.
As long as your existing backsplash is in good condition it s a good candidate for this.
Sand the formica using an orbital sander and coarse grained sandpaper.
Clear the formica tile surface.
Plan your tile on the countertop.
Rough the formica up.
If using a rail style tile cutter you will want to position the ragged cut side against the wall to be later covered up with a backsplash.
How to install tiles over formica.
Here s how to tile over formica backsplash.
Wash down the formica backsplash with a grease removing cleanser and a scrub brush.
The most cost effective solution in terms of time and money is a peel and stick product.