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Old 12-29-2017, 11:17 AM   #12
rmckee84
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Join Date: Feb 2012
Location: Southern Illinois
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If you want to keep the thinset out of the gaps, fill them with caulk. That will allow for the expansion/contraction while not having to worry about keeping thinset out of then which is almost impossible while trying to get 100% coverage while installing your ditra.
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