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insuti testing

#8
While ambient atmospheric relative humidity may be low in desert climes, I have been taught to always consider the RH of soil to be 100%.

Slabs can become very dry when exposed to these low relative humidities and ground moisture is usually not an issue until slabs without vapor retarders beneath them are covered with a less permeable or moisture-sensitive floor covering.

The floor covering can retard the vapor emission from the slab and moisture can accumulate. Suddenly a slab that has been bone dry for years has moisture problems!

When installing moisture sensitive flooring on a slab on grade always check the RH, and verify the presence of a functioning vapor retarder immediately beneath the concrete. This is a requirement of nearly all manufacturers of moisture sensitive flooring and adhesives. Wink
JD Grafton
Concrete Answers for Flooring Problems
[email protected]
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Messages In This Thread
insuti testing - jim decker - 03-14-2013, 02:09 PM
RE: insuti testing - CCR - 03-16-2013, 04:41 PM
RE: insuti testing - jim decker - 03-17-2013, 07:49 PM
RE: insuti testing - CC Solutions - 03-19-2013, 06:41 AM
RE: insuti testing - jim decker - 03-19-2013, 09:35 AM
RE: insuti testing - CC Solutions - 03-19-2013, 08:38 PM
RE: insuti testing - jim decker - 03-20-2013, 07:42 AM
RE: insuti testing - CC Solutions - 03-21-2013, 11:50 AM
RE: insuti testing - CCR - 03-21-2013, 05:08 PM
RE: insuti testing - jim decker - 03-22-2013, 08:45 AM
RE: insuti testing - eaadams - 04-29-2013, 04:27 PM
RE: insuti testing - CC Solutions - 04-29-2013, 07:01 PM
RE: insuti testing - eaadams - 04-30-2013, 09:15 AM
RE: insuti testing - CC Solutions - 05-01-2013, 05:57 AM
RE: insuti testing - CCR - 05-01-2013, 06:16 AM
RE: insuti testing - CC Solutions - 05-01-2013, 06:24 AM
RE: insuti testing - rapidrhrep - 05-01-2013, 10:15 AM
RE: insuti testing - CCR - 05-02-2013, 03:42 AM
RE: insuti testing - CC Solutions - 05-02-2013, 05:53 AM
RE: insuti testing - CCR - 05-02-2013, 06:33 AM
RE: insuti testing - eaadams - 05-02-2013, 08:05 AM
RE: insuti testing - CC Solutions - 05-02-2013, 08:45 AM
RE: insuti testing - eaadams - 05-02-2013, 08:59 AM
RE: insuti testing - CC Solutions - 05-02-2013, 09:02 AM
RE: insuti testing - eaadams - 05-02-2013, 10:21 AM
RE: insuti testing - CC Solutions - 05-02-2013, 11:25 AM
RE: insuti testing - eaadams - 05-02-2013, 11:30 AM
RE: insuti testing - jim decker - 05-02-2013, 12:31 PM

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