[GSBN] Fwd: Re: Plaster Reservoir?

Bill Christensen billc_lists at greenbuilder.com
Wed Jun 3 03:38:25 UTC 2009


Correction to Robert Riversong's earlier post.

>Bill,
>
>Whoops! That's what I get for living in the cold NE and not being 
>able to shift my mind quickly enough to a Florida perspective.
>
>You're quite right. An air-conditioned home, particulary in a very 
>humid environment, should maintain a slight postitive pressure to 
>prevent infiltration of air-born moisture as well as the other 
>myriad environmental toxins.
>
>Thanks for catching that error. Please share my mea culpa with the 
>GSBN list. I'll get even with Mark Piepkorn later ;-)
>
>- Robert
>
>--- On Tue, 6/2/09, Bill Christensen <billc at greenbuilder.com> wrote:
>
>
>From: Bill Christensen <billc at greenbuilder.com>
>Subject: Re: [GSBN] Plaster Reservoir?
>To: turningtide at ponds-edge.net
>Cc: dgarrett at texas.net
>Date: Tuesday, June 2, 2009, 11:09 PM
>
>  > From: Robert Riversong 
><<http://us.mc502.mail.yahoo.com/mc/compose?to=turningtide@ponds-edge.net>turningtide at ponds-edge.net>
>>
>>  In the summer, all moisture drives are from outside to in (with 
>>the exception of indoor positive air pressure - a bad idea in an 
>>air-conditioned home)
>
>
>Hi Robert,
>
>Mark Piepkorn sent your post along to the GSBN list.
>
>The above got my interest - why do you consider positive air 
>pressure to be a problem?  If I recall correctly, my air quality 
>guru (Doug Garrett, CC'd here) indicates that it's important to 
>maintain a slight positive pressure... I remember him telling 
>stories of homes with negative pressure that were pulling 
>pesticides/herbicides in through the soil which were sprayed in the 
>garden 100 ft away.  (not that we should be using those anyway....)
>
>It also seems to me that because the conditioned air would be drier 
>that it would be of benefit to drive any moisture back toward the 
>exterior with a little positive pressure.
>
>-- Bill Christensen

-- 
Bill Christensen
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