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Posted by tmurf.1@juno.com on June 23, 2008, 11:05 pm
> Read this from the US Department of Energy
>
> http://www.eere.energy.gov/consumer/your_home/insulation_airsealing/i...
>
> *************************************************************************=
>
>
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>
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> > > I was looking on the Internet for some Window Wells to prevent dirt
> > > from piling up near my crawl space vents. Then I see something like
> > > this on the Internet suggesting that the thinking is now to seal the
> > > vents to save on energy and keep out moisture?
>
> > >http://www.basementsystems.com/crawlspace/crawlspace_products/crawlsp.=
..
>
> > > What is recommended, to seal the crawl space vents or leave them open
> > > for air flow?
>
> > Ventilation is very important. It is much better to properly insulate
> > the floor joists in the crawl space than to seal off the vents. That
> > is what they are there for.
>
> > ************************************************
>
> > Curious, did you read the web page posted? What are you basing your
> > statements on?
>
> > It states:
> > If Crawl Space Ventilation Doesn't Work, What's the Solution?
> > There is an informative article by Advanced Energy, a national
> > resource who focuses on applied building science, on venting crawl spac=
es
> > entitled, "To Vent or Not to Vent." [Download PDF]
> > Crawl space encapsulation is the solution! Seal the crawl space with a
> > vapor
> > barrier, sealer the crawl space vents with vent covers, seal any gaps o=
r
> > holes to the outside, seal the crawl space door - seal it up as tight a=
s
> > possible.
>
> > Do you think it is possible that the thinking has changed and engineeri=
ng
> > is
> > proving the ventilation method is wrong?
>
> This poster Albert was only interested in keeping dirt out of his vent
> space. I think he was concerned about outside dirt or maybe mulch and
> such. =A0He expressed no worries about moisture or a need for
> waterproofing or encapsulation. =A0So I told him what I think about
> ventilation. =A0To simply seal the vent is probably wrong just because
> the company says it is only a part of a whole system. =A0If it ain't
> broke don't fix it.- Hide quoted text -
>
> - Show quoted text -
OK I read that thing from the US dept of energy or whatever but it
says nothing about ventilation.
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