This is known as reflective cracking and it can be easily prevented by adding a crack isolation membrane during installation.
My ceramic tile floor is cracking.
Ceramic tile can develop hairline cracks for a variety of reasons.
However cracks wider than 1 8 inch will eventually transfer to the tile it notes.
In a case where cracking is minimal or has occurred in only a small number of tiles and or the floor is in a location where aesthetics don t matter to you the easiest most inexpensive solution is diy patching.
Occasionally a crack along the joint between grout and tile appears to be a crack in the tile s surface.
Whatever the cause you can remedy the cracks yourself without having to hire a professional.
Or if your ceramic tile was installed over newly laid concrete the tile may crack as the concrete settles.
Perhaps you dropped something heavy on the tile such as a cast iron skillet.
Grout hugs the edges of floor tiles and sometimes seamlessly blends with the tiles exposed surface.
In far more instances the crack was caused by anomalies under or around the tile.
Ceramic floor tiles especially larger tiles need an even distribution of mortar underneath them.
Cracked tiles on floors and walls is a problem because it can be difficult to track down the source of the crack.
For a larger more visible area of cracked tile contact a tile contractor for expert help.
Generally hairline cracks in the concrete will not present an issue to the tile floor above.
If 1 or more of your floor or counter tiles have cracked whether from regular wear and tear or from having a heavy object dropped on them you don t necessarily need to replace the cracked tile.
In many cases the crack is not the result of an inferior 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.