Loss of bond or moving substrate.
Shower wall tile cracking.
Why does grout crack in the corners of showers backsplashes and against abutting surfaces.
Tiles generally crack for only two reasons.
Broken or cracked shower tiles can allow water and mold to get in your shower walls so they should be replaced or repaired immediately.
A tile expert michael byrne responds.
In this case the substrate might be moving if the studs are spaced farther apart than 16 inches on center allowing that backerboard to flex.
In far more instances the crack was caused by anomalies under or around the tile.
There are many reasons why shower tiles can crack and break.
Simply put because of movement.
There is a ceramic soap dish in the corner and even it is cracked.
Not properly fixed an improper fixing method is one of the main reasons why shower wall tiles crack.
It doesn t appear that there has been any movement in the floor or the walls.
You can repair the crack with tile filler and then paint over the filler with a color that matches the rest of the tile.
Use a putty knife to apply it to the crack in the tile.
If your tile s crack seems to run along the tile s outer edge closely inspect the crack to determine if it s really on the tile or just through the grout.
Cracked bathroom tiles can be caused by either an instability in the surface under the tile or in rare cases the low quality of the tile itself.
To fix the crack you have a couple of options.
You can replace the entire tile.
Fill the hole or crack as best you can.
Small hairline cracks in ceramic tile showers do not typically allow water to get through.
In other cases a mastic type of adhesive was used instead of thinset and this can cause the tiles to not adhere the the shower walls and crack.
Once the material has hardened trim the excess with a sharp object such as a razor blade.
Sometimes water has gotten behind your shower causing the shower walls to swell causing cracks in the tiles.
Your shower wall tiles might have cracked due to one of the following reasons outlined below.
In many cases the crack is not the result of an inferior tile.
Hairline cracks in tile may result from remote obscure reasons such as improperly cured concrete or flexing underlayments and joists.
What could be causing the cracking.
According to the tile council of north america anywhere a tile surface changes plane like an interior corner or meets an abutting surface against a wall or hardwood floor for example should be considered a movement joint.
