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high rh in concrete
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chas04344 Show this Post
09-07-2009, 03:34 PM #1
chas04344 Unregistered
 
Before flooring is installed how can you lower rh to acceptable
levels.concrete is poured six months rh is still reading at 90%

09-10-2009, 09:40 AM #2
WMiller Newbie *
Status: Offline Posts:2 Threads:1 Joined:Sep 2008
when I get jobs like this I go through my standard checklist:

Is there a vapor retarder under the slab?
Is the HVAC on?
Is the surface hard troweled?

If you have no vapor retarder, or the HVAC isn’t on or hasn’t been on very long, or if the surface is hard troweled, you’re in for a long drying process. The easiest, although not the cheapest, option is to put an epoxy or some sort of moisture seal on that will prevent the RH from getting to your floor covering. Or you could put some dehumidifiers in the room to possibly speed up the drying process.

chas04344 Show this Post
09-11-2009, 07:33 PM #3
chas04344 Unregistered
 
THANK YOU VERY HELPFULL








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