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Unread 01-09-2006, 11:15 PM   #1
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epoxy grout discoloration repair

I have been asked by a shop that i do work for to repair someone elses work.
that repair is fixing an epoxy grout discoloration. supposibly its about a year old and they told me to take a heat gun and remove old and install new only in the areas that have discolored. i haven't worked with epoxy grouts and was wandering whats the best way to repair. and i know that not getting involved in this would probabaly be the best. if repair is craxy can you use epoxy grout paint over reg epoxy grout for true color consistency.
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Unread 01-12-2006, 08:54 PM   #2
Bill Vincent
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I would imagine you haven't gotten any answers before this because everyone knows this is a minefield you're walking into. If you pull up the offending section and regrout, what's to say that the grout will match exactly? And once you've done it, now YOU'RE on the hook for it. AS for grouting over the top of the old epoxy to make everything match, I have a feeling you'll have problems with that, as well, in that once you start hitting it with the white pad, you're going to go back down to the old grout pretty quickly, making it look worse than it did to start with. If it were me, I'd decline the job. ABout the only way I can see to do it properly would be to pull out ALL the old grout, and THEN regrout, and I wouldn't wish that on my worst enemy.

"Whether you think you can, or you think you can't, you're probably right."


Last edited by Bill Vincent; 01-13-2006 at 06:49 AM.
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Unread 01-12-2006, 09:54 PM   #3
Chris the Rep
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Bill is right, this is a potential minefield. Your best option may be to walk. That said, are you sure it's epoxy grout? What is the nature of the discoloration? What color is the grout now and what color is it supposed to be? Do you know what brand of grout it is? How many square feet is affected, and what size tiles are they? Questions, questions....

It may be possible to use the heat gun, but there are concerns there as well. The margin between getting it warm enough to dig out easily and making it flow can be a very narrow one. It it flows, color is the least of your concerns.

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