The etching will get your tiling ready to accept the glazing much like sanding will.
Tile glazing do yourself.
Step 5 apply epoxy primer.
Make sure that you wear gloves whenever you do this so that you do not get any of this paste on your skin as it can do damage to it.
Remove caulking with a silicone digester available at home improvement stores.
For diy projects you need to make sure the glazing compound is compatible with what it s being used on.
Scrub the surface with bleach and water until it is clean and rinse thoroughly with water.
This abrasion will allow the epoxy to properly adhere.
Step 4 mask.
Step 1 pre application cleaning.
Etch with acid paste if you have old porcelain tiles.
Step 3 etch tile.
Porcelain tiles need to be prepared with an etching liquid or a pumice block so the glaze will adhere to it.
Finally scour the surface with steel wool or sandpaper with a small circular motion.
Use tile cleaner and grease solvent to remove any dirt grime grease or other residue that may have collected.
This will help to get your porcelain tile ready to accept the glazing.
Scrub the surface with an abrasive pad and rinse again.
Sanding increases the lifespan of your refinishing job by allowing the epoxy paint.
Remember that your goal is to remove any surface bumps and imperfections not to sand it down to its base.
Reglazing is recommended for certain surface tiles including ceramic tile cultured marble fiberglass porcelain tiles and some laminate tiles.
You need to get remove all traces of the caulking because it will.