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Unread 06-26-2018, 12:07 PM   #3
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Join Date: Jun 2005
Posts: 62
My understanding is that Laticrete 272 is one of the best... but Laticrete customer support says it will not stick to Durock without latex added.

Is the recommendation by the fireplace manufacturer BS? I can't imagine the temperature around a sealed gas fireplace getting too hot at all... otherwise I would have other things to worry about. How are the millions of other surrounds done around gas fireplaces? Are they all done with latex modified mortar? I don't see ANY other installation spec that says UNMODIFIED thinset should be used... ONLY the verbal I was given by manufacturer. It does not even say it in their own installation guide.
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