Quote:
Originally Posted by villager7591
That's been our experience EXCEPT this floor issue. They sent us straight to the installation company.
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If the installer mixes too much water in the dry grout mix then it becomes chalky . I have installed tile a few times ( on my own houses ) and have never seen grout that comes off after it dries. If you don’t act quickly it dries and sticks to the tile surface. It “ain’t coming off with a mop” . Maybe too much water in the grout mix