There are a few probable causes but before you tear up the tile and start over try this quick cracked grout fix.
Ceramic tile keeps splitting.
The best way to keep tile from cracking is to use a score and snap tile cutter or a.
If the tile cracks are long continuous and extending across multiple tiles the concrete below has likely cracked.
If they are too thin the tiles won t have enough room to expand and contract causing cracking.
It s a great book.
You have to be very patient in cutting tiles whether it is a wet saw or a manual tile cutter.
If you push the tile too fast towards the cutter you ll increase your chances of.
The only wholesale cure is to strip the tile and then install a crack isolation membrane before installing tile again.
These joints are there to absorb pressure from shifting tiles.
In there i looked up loose tile and i counted no less than 30 different causes listed in this book.
If the wet saw s tray moves toward the cutter slowly cut the tile towards the blade and ensuring that the saw is constantly getting sprayed with water from the pump.