Using a masonry bit drill a hole through the middle of the tiles you need to remove.
Repair hole in tiled shower wall.
While bondcrete on wall is still tacky apply cement render using scraper.
Make the mix moist but not runny.
Again be careful not to drill too deep or the substrate and or any waterproofing membrane may be damaged.
Leave for 30 minutes or so until it starts to set.
If removing the old tiles and replacing them is not an option you can patch the holes instead.
Leave for 24 hours.
Once the sealer is dry seal the gap between the tile and the shower pan or floor with a continuous bead of 100 percent silicone caulk.
Using large broad knife run along existing wall and onto new render scraping off excess so render is flush with wall.
Clean and reinforce the tile.
Use a chisel to break out the tile s in small pieces.
Auto body repair filler is the preferred material of choice for covering holes in ceramic bathroom tiles but you can also use silicone caulk or pre mixed grout to cover them.
This leaves unsightly holes in your tiles and an opening for water to enter the inside of your walls.
For large tiles you may need to drill several holes so the tile can be broken up to remove it.
Most showers are tiled so you may have to replace the entire tile.
The gist is to transfer the tub spout location to the tile and use a diamond hole saw.
So it is important to use high quality silicone caulk and to ensure a complete seal.
Dry fit your tile to make sure it fits.
After a couple of hours buff the tile clean with a soft cotton cloth.
The final step to repair shower tile after a leak is to fill the gap along the top of the tub or shower with silicone caulk and protect all grout joints with a liquid silicone sealer.
Which thinset is the best for hanging vertical tile.
Home improvement ron hazelton shows how to patch and repair holes in ceramic tile.
Wipe off excess grout with a damp sponge.
Render should sit out from wall surface.
If you don t have to replace the whole tile you can patch up the area.
Caulking this joint is critical to keeping water out of the shower wall and preventing future water damage.