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RH Numbers Rising
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04-05-2011, 09:40 AM
Post: #1
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RH Numbers Rising
I recently entered the 21st Century and started using the RH test in lieu of the Calcium Chloride tests. I have a new addition project where the slab is about 3 months old. The HVAC is not on yet, there is temporary heat in the building and the temperature is in the mid to low 60s. There is a moisture barrier under the slab.
I installed 4 probes at various locations in the slab, waited about 90 minutes and checked the results. The readings were between 91% and 94%. When I went back a week later all the readings had risen to 99%. Is this unusual? |
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