Grout Cracking Tile Floor. In time, the grout loosens or cracks, and tiles become hollow, or worse, they crack. Sorry, the video player failed to load. A common mistake is to set the tile too close.
You just have to verify that tile is bonded well. First, remove all loose and cracked grout with a grout saw or dremel tool. Using a hammer, firmly tap the cracked tile to break it into smaller pieces.
Gallery of Grout Cracking Tile Floor
If the tiles adjacent to the cracked grout were loose, then that could cause the grout to crack. When all of the grout is removed from around the broken tile, cover it with a drop cloth. This will sometimes occur while the house settles because the subfloor will move more than the tile floor covering (which is the most fragile point) can tolerate, resulting in cracks and popped tiles. These give an unmaintained look to your interiors even if the surface is clean.
