[Greenbuilding] [BULK] Re: Double Stud walls

[Clarke Olsen]

>
> The energy calculations take studs/joists into account when figuring  
> insulation. Entering data into the NY
    program, I found that a foam sheet was worth about twice the R value  
of any bay fill.
    Clarke Olsen

> One way to think about is: what is the recommend amount of insulation
> regardless of construction style.  For me, the government recommends (
> http://www.ornl.gov/sci/roofs%2Bwalls/insulation/ins_16.html ) at least
> R-49 for the attic.  This is what would be best everywhere if
> construction constraints didn't effect the calculation.  Note: that I
> personally think the government is likely underestimating the inflation
> rate for fuels, so that would indicate that even more would be
> economical.
>
> Thank You Kindly,
>
> Corwyn
>
>
>
> --  
> Corwyn
> Kermit didn't know the half of it...
> http://www.greenfret.com/
> corwyn at greenfret.com
>
>
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