Use enough resin that it slightly overfills.
Hole in tile wall repair.
Thinset the new tile in place and prop it to the wall with a broom or something so it doesn t fall out.
Mix together a small amount of polyester resin and hardener.
Back fill the hole with newspaper or better yet something not flammable like fiberglass insulation.
How to hide old drill holes in ceramic tiles.
Wipe the area around the hole and brush away any loose debris.
Grab a clean dry brush.
It is easy to repair a hole in a ceramic bathroom tile and all you need are simple materials that can be purchased at any hardware store.
Take some 600 grit sandpaper and sand the resin smooth.
Follow the manufacturer s.
This will be used to patch the holes in the tiles.
If not all you have to do is mix up the compound and hardener.
Use a vacuum cleaner or pressurized air to remove any dirt that may remain inside.
You want to fill the hole entirely and get the patch level to the shower or tub wall.
Sanding and painting the patch.
Use tile spacers or tooth picks to keep it from slumping down.
Remove the whole tile like gbronner suggests or cut a tiny one to fit.
Fill the holes with the resin using a putty knife to do this.
How to cover holes in ceramic wall tiles method 1 of 3.
Inspect the holes and remove any debris that may hinder the bond between the filler of choice and tiles.
Step 1 prepare the hole.
As it dries but while it is still rubbery take a razor blade and trim off the excess resin.
Using a putty knife you are going to apply the resin to the hole.
It s important to use as much ceramic tile filler as the hole will allow.
Wet the sandpaper with a little water to make it work the best.