Thank you 3DDave. So the same as pulling the curtain over it. Which makes me wonder about the efficacy of the foil layer at all, when those panels are used inside the walls of your house as intended, covered up with siding or whatever exterior surface you use.
P.S. OK, I have read up on the...
Hello, this is kind of a silly question, I guess. I have never done anything with thermodynamics, other than the introductory class in undergrad 100 years ago. I have a practical question. They sell those 4 x 8' insulation panels for homes; .5 - 1" thick poly-isocyanate foam with aluminum...