Expert Answers in grout

Answer: First of all, all of the transition joints in the shower both horizontal and vertical should not have been grouted with a cementitious grout.  They should have been filled with an ASTM C920 resilient sealant…

ANSWER - It sounds as though your tile installation has failed and is debonding.  It is likely due to compounding deficiencies in how it was installed.  The substrate may have not been properly prepared.  The…

ANSWER -  If water squired out of the removed grout joint 2 feet in the air, then that is an indication that the water is under pressure.  I assume that the water squirting in the…

ANSWER -  Hollow sounds  on a ceramic tile isn't a defect in itself, but it can be a symptom of a defect depending on the circumstances.   If portions of a tile is hollow sounding or…

ANSWER - You didn't mention what kind of tile you had.  Natural stone of various types are known to contain ferrous oxide that can lead to staining in the tile or the adjacent grout. Since…

ANSWER - There are different types of limestone.  The low density limestones are porous and more susceptible to staining.  Medium density limestones are less porous, and high density limestones are even less porous.   All of…

ANSWER - If the water is consistently coming up through the tile grout joints when the washing machine drains, and you don't see any water in the wall at the drain pipe, then the water…

ANSWER - If the existing brick facade is stable, then it would be better to install the travertine ledger stones over it.  It should be a more structurally stable surface to adhere to.  You will…

ANSWER - I don't know why someone would say the marble could crack, if it isn't already cracked.  I don't know what evidence there could be to suggest the marble could crack if it isn't…

ANSWER - Even though the tile floor was installed 15 years ago, if it was installed correctly it should not have loose grout; unless it was abused in some way.  I am assuming that these…