Greg
From: slurryguy <slurryguy@yahoo.
To: papercreters@
Sent: Wednesday, July 4, 2007 10:12:47 AM
Subject: [papercreters] Re: un-Silly questions
same web page as below, but in a tiny clickable url:
http://tinyurl. com/399d26
--- In papercreters@ yahoogroups. com, "slurryguy" <slurryguy@. ..>
wrote:
>
> The only truly silly papercrete questions are the ones that don't
get
> asked. Once they're asked, they magically transform into good
> questions. Don't believe me? Check the papercreters glossary in
the
> files section.
>
> The change in color should certainly make a difference. Whether or
> not it's "huge" is a matter of perspective. I know roof shingle
> color in traditional structures can change attic temperatures 30
deg
> or more in many cases. The less venting in the attic the more
impact
> shingle color has. In Mikey's case, a container with effectively
> zero ventilation and one of the highest thermally conductive
> wall/roof materials out there (metal), the change in color will
> probably have the maximum impact a color change can have.
>
> Here's an interesting study about roof shingle color:
> <http://www.fsec. ucf.edu/en/ publications/ html/FSEC- PF-336-
> 98/index.htm>
>
>
>
> --- In papercreters@ yahoogroups. com, Leslea <leslea_kate@ > wrote:
> >
> > Silly question... Wouldn't going from a dark blue, to light
grey,
> near white
> > with the PC make a huge difference for the temp too?
> >
> > I can see where once the PC is a little thicker, it'll drop the
> temp to a nice
> > reasonable level though.
> >
> > Leslea
> >
> >
> > --- Mikey Sklar <sklarm-yahoo@ > wrote:
> > >
> > > The PC latex mix seemed to work great on the containers. It is
> sticking
> > > very well. The wall temperature has dropped from 140 to 110
with
> only a
> > > 1/4" of stucco. I highly recommend this technique combined with
> > > papercrete blocks on the roof to lower the temperature of these
> > > containers. If you wanted to live in them, I would recommend
> insulating
> > > with 10"+ of PC. I used 16" in my case and can keep the
container
> > > temperature at 90F even only 100F day with no cooling or
> ventilation.
> > >
> > > BTW, if you are curious about your own insulation effectiveness
I
> highly
> > > recommend getting a infrared remote laser thermometer to
measure
> you
> > > wall temperatures. This is a excellent tool for finding hot
spots
> and
> > > cold spots in a given structure.
> > >
> > > MT4 Mini Temp Non-Contact Thermometer Gun with Laser Sighting
> > >
> > http://www.amazon. com/MT4-Non- Contact-Thermome ter-Laser-
> Sighting/dp/ B00069V306/ ref=pd_bbs_ sr_2/104- 8420547-5896708?
> ie=UTF8&s=hi& qid=1183557807& sr=8-2
> > >
> > > On Wed, Jul 04, 2007 at 01:41:10PM -0000, slurryguy wrote:
> > > > Mikey, in your container spraying video, you mention a desire
> to
> > > > control temperatures inside the container.
> > > >
> > > > Did you happen to stick a thermometer inside the container
and
> take
> > > > some before/after readings? Some compainion outside temps
> would make
> > > > it even more interesting. (Is my inner geek showing?)
> >
> >
> > Ask a question on any topic and get answers from real
people.
> Go to Yahoo! Answers and share what you know at
> http://ca.answers. yahoo.com
> >
>
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