A tile having a hollow sound could be an indication that there is a void under those hollow sounding spots and/or the tile isn't bonded at those hollow sounding spots. A hollow sound can be caused by the configuration of the tile assembly, it could be the result of having some sort of membrane under the tile.
How do you fix hollow tiles without removing them?
https://www.youtube.com/watch?v=tDApbyBZVFI
Do hollow sounding tiles need to be replaced?
ANSWER - Hollow sounding tile is not a defect per industry standards. Although a hollow sounding tile can be a symptom of a defect. ... If there is no resultant damages to the tile or grout, then I would just let it go. Make sure you have extra tile for the future just in case they do get damaged you can replace them.
Should hollow tiles be replaced?
ANSWER. ANSWER - Hollow sounding tile is not a defect per industry standards. Although a hollow sounding tile can be a symptom of a defect. ... Make sure you have extra tile for the future just in case they do get damaged you can replace them.
What happens if tile sounds hollow?
If you hear a lower-pitched or a hollow sound, this can indicate that tiles have debonded, or were never bonded, somewhere within the tile assembly. Large tile areas can be sounded with a chain. A low tone is not a cause for immediate panic, however.Jul 29, 2013
Are hollow tiles bad?
ANSWER. ANSWER - Having hollow tiles by itself doesn't mean there is a problem. ... The requirement is at least 80% continuous contact between the back of the tile and its substrate, no voids larger than 2 square inches, and full thin-set contact at edges and corners. There is no standard for how hollow a floor can sound.