Cob Fwd: Re: cob construction

[Stephen H. Kapit]

Can't they tell the authorities to kiss my #@###.

Stephen

Steve Berlant wrote:

> >From: "Dean Still" <dstill at epud.org>
> >To: <strawbale at crest.org>
> >Subject: Re: cob construction
> >Date: Sun, 28 Jun 1998 12:28:49 -0700
> >X-Mailer: Microsoft Internet Mail 4.70.1155
> >Sender: owner-strawbale at crest.org
> >
> >At Aprovecho Research Center, near Eugene, Oregon, we have the first Cob
> >house built by Ianto Evans. Since the house does not meet building codes we
> >are "busted" and must now tear it down. Be aware that building not to code
> >structures may open you to the same fate...
> >
> >But, luckily, we did get a little data from the house and are intensifying
> >research now that the end is near. Three temperature data loggers were
> >placed inside the house, outside the house, and in the middle of the 18"
> >thick wall. Data was gathered for two winter months.
> >
> >The interior wall temperature followed the outside temperature with an
> >average 18 hour lag. Interior temperature spikes, up to 90 degrees, caused
> >by lighting the wood stove, travelled through the wall in an average time
> >period of 5 hours.
> >
> >The low R value of high humidity Cob (.25/inch?) allows temperature
> >differences to travel through pretty quickly. Having an average exterior
> >temperature wall made earthen walls great in some climates, maybe not
> >really suited for others.The average temp. in the desert is comfortable,
> >hot in the day, cold at night. The wall averages both and is performing
> >admirably. In our valley, where winter temps. averge around 38 degrees, a
> >Cob wall just cools inhabitants.
> >
> >Our strawbale dormitory interior walls, on the other hand, are warm to the
> >touch.
> >
> >Dean
> >----------
> >



--
Stephen H. Kapit
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