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Old 10-29-2009
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The armaflex seems interesting. Heat transfer is a function of three things. Surface area, temperature differential, and thermal conductivity. I think that if you insulated a boat, even with the 1/4" armaflex self adhering sheets, you would see a great improvement in heating-cooling efficiency. I would do this mainly on exposed hull surfaces in the v-berth and salon. I am not sure how much insulating the lockers would help.
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