i had some grout popping up do to some construction i replaced the
grout at least 5 times because the grout pops up so easily and is not
hard but very sandy i even bought a new bag of grout whats the problem
ive done other t ile jobs in the house and the grout is like cement
sounds like the grout mix is bad.
what you described is what mortar mix will do when it is stored for a while
in a damp location.
the chemistry of the cement has been altered.
you might try some other mix, different brand & store.
As far as user error, one thing that can cause that is if you are adding
water after the mud has already slaked (aged for a number of minutes before
using). This is probably discussed on the package instructions.
A couple random thoughts:
1) You're not using sanded grout for wall tiles, are you? Sanded is for
2) Somethings 'off' with your mixing process. Read, reread, and read again
the directions, and follow them to the letter.
3) If all else fails, try adding a latex admixture to the grout. The
package should mention this option, and it's available where you bought your
grount. It gives it a bit more "give".
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