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Unread 10-25-2020, 09:51 AM   #22
cx
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Join Date: Jul 2001
Location: Boerne, Texas
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I think it all comes down to your tolerance for failure, S. One major tile installation materials manufcturer, Laticrete, recommends a subfloor structure with as much as L/480 deflection for the installation of natural stone tiles. I don't recall just what products are required, but I'm sure they'd be happy to tell you if you were to contact them.

Are their products actually better than that of other manufacturers at tolerating stress, or are they, the manufacturer just better at tolerating the stress of failures? I dunno. But if you wanna roll the dice, that might be worth looking into.

Presuming, of course, that you actually meet an L/480 deflection in both your joist structure and subflooring.

My opinion; worth price charged.
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