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hidden 1 06-20-2013 09:39 AM

crawlspace issues
 
What is the best way to get the crawlspace area aired out.there is plastic down and condensation still present with vents open.ac is not in operation .
Vents are all open .it is a bit humid out though .
Any info is appreciated .

Windows on Wash 06-20-2013 12:10 PM

Is the vapor barrier on the floor seal to the stemwall?

If there's enough relative humidity in the air and the ground temperature is cool enough you will get condensation on top of the plastic regardless of what you do.

The only way to effectively eliminate that would be to eliminate the source of the moisture by sealing up the crawlspace and insulating the stemwall and converting it to a conditioned crawlspace

crescere 06-21-2013 02:17 PM

Quote:

Originally Posted by Windows on Wash (Post 1204453)
the crawlspace and insulating the stemwall and converting it to a conditioned crawlspace


I have this problem too. What is a stemwall and please define "conditioned crawlspace." Thank you.

RoyalAcresRod 06-21-2013 04:17 PM

Here you'll find much information, including a lot of instrumented studies, and ways to remediate problems:

http://www.crawlspaces.org/

Windows on Wash 06-22-2013 09:12 AM

Quote:

Originally Posted by crescere (Post 1205094)
I have this problem too. What is a stemwall and please define "conditioned crawlspace." Thank you.

Starting searching the "Insulation" section of the forum and you will get all the information you would ever need there as well.

crescere 06-24-2013 04:00 PM

How do I insulate the stemwall? Styrofoam panels?

itsreallyconc 06-25-2013 04:14 AM

we run exhaust fans on 1 side of the space,,, vents are avail w/built-in elec fans,,, control them w/humidistats for automatic use

RoyalAcresRod 06-25-2013 08:14 AM

Craw space fans work in some parts of the country. In other areas, introducing warm air into a cooler crawl space causes the moisture in the air to condense, wetting the surfaces in the crawl space and making things much worse.

Although a lot of work, closing (and sometimes conditioning) the crawl space is often the best answer ... depending on the prevailing climate where the home is located.


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