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Old 04-24-2005, 02:10 PM   #4
Join Date: Nov 2002
Location: Stillwater, Mn
Posts: 67

The caveat on the R value is the direction of the heat flow and a 42mm air space. I am not sure this is much different than the foil face bubble type insulation at Home Depot and other places. All are radiant heat barriers. In spite of their FAQs, I suspect convection and conduction are fairly substantial aspects of our heat loss and gain in RVs etc. Or everyone here in the midwest (MN) would be using this stull. I have use similar materials, but on the inside surface of foam insualtion.

for what it is worth.
chuck is offline   Reply With Quote