[Strawbale] Brian Z. - welded wire mesh

[Shody Ryon]

I was going to use R 15 under the slab. I do not think
many people use more than R 15 (and 15 mill commercial
quality plastic $750 and the insulation itself will be
a little pricey too), and I think the reason is that
the earth has a thermal storage capacity of 1/2 that
of water and some insulation capacity too, although I
am speculating.
If the earth naturally has a temperature of the yearly
average of the area, then I would be warming it when
the air temp drops below about 35 or 40 degrees F.- I
think.
With 2x10 joists filled with cellulose; 9"x R3.8=
R34.2 and minus the energy of warming the earth. I
think the earth would be an energy drain accept in the
hot part of summer.
Cheers,
Shody

--- activism98201 at verizon.net wrote:

> What about the energy savings from thermal mass (of
> concrete)?  This, or foucrse, assumes that such a
> floor is properly designed to sync heat.
> 
> 
> -Mark Nagel
> Everett, WA



       
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