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Jaybannist(at)cs.com
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 Posted: Wed Jan 09, 2008 6:40 pm Post subject: Condensation |
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Larry,
In my experience, I have found that there are many causes of wet concrete slabs. In mysterious instances, a concrete slab will attract moisture even where there seems to be none. Moisture barriers are not always used, because it keeps the freshly placed concrete from giving up its moisture uniformly through the top and bottom, resulting in slab curling. To get around this, sometimes there is a moisture barrier and a layer of sand on top of it to promote proper drying of the slab. But a concrete slab with no moisture barrier beneath it might result in a damp slab, but not necessarily a damp atmosphere. Condensation on objects above the slab result from a very damp atmosphere and very cold temperatures. The real cure is interior climate control, but as has been previously suggested, ventilation is the most expedient cure. I would try that first.
Jay in Dallas (Retired Architect)
601XL N2630J "Lil Bruiser"
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jfosse1(at)shawneelink.ne
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| Posted: Thu Jan 10, 2008 7:23 am Post subject: Condensation |
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I run a window fan on low speed 7/24. So far it has prevented condensation
forming.
Jim Fosse, N329F
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ashontz
Joined: 27 Dec 2006
Posts: 723
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| Posted: Thu Jan 10, 2008 2:25 pm Post subject: Re: Condensation |
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I've never had a humidity meter (I forget the actual name) in my garage, but after painting the floor, it just seemed less humid. Could have been the unpainted floor. Painted floors just look nice too. Can't be it for $50 from Home Depot, including sprinkles no less, although I couldn't find the sprinkles at Home Depot, they didn't carry them, Lowes did.
| Jaybannist(at)cs.com wrote: | Larry,
In my experience, I have found that there are many causes of wet concrete slabs. In mysterious instances, a concrete slab will attract moisture even where there seems to be none. Moisture barriers are not always used, because it keeps the freshly placed concrete from giving up its moisture uniformly through the top and bottom, resulting in slab curling. To get around this, sometimes there is a moisture barrier and a layer of sand on top of it to promote proper drying of the slab. But a concrete slab with no moisture barrier beneath it might result in a damp slab, but not necessarily a damp atmosphere. Condensation on objects above the slab result from a very damp atmosphere and very cold temperatures. The real cure is interior climate control, but as has been previously suggested, ventilation is the most expedient cure. I would try that first.
Jay in Dallas (Retired Architect)
601XL N2630J "Lil Bruiser" |
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http://www.matronics.com/Navigator?Zenith-List |
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