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35-40 year old concrete with moisture problems

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It's very likely the vapor barrier has been compromised through deterioration. To verify, cut a section of floor out where the failures have occurred and check the condition of the vapor barrier. Depending on the aggressiveness of the soils, it is not uncommon that is 6 mill vapor barrier can deteriorate within 10 years.
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RE: 35-40 year old concrete with moisture problems - landso - 01-28-2014, 08:38 AM

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