[Greenbuilding] Exterior insulation retrofit

nick pine nick at early.com
Fri May 6 14:48:21 PDT 2011

bill.allen at verizon.net wrote:

>... I am thinking Marvin Ultimate clad (wood with aluminum cladding on the 
>outside) but they cost an arm and a leg, even more so with triple glazing 
>to reach R5. Alternatives?

Passive solar air heaters, eg 


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