Timeline for What type of insulation has the highest R value per inch?
Current License: CC BY-SA 3.0
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| Sep 2, 2022 at 20:57 | comment | added | KJ7LNW | Polyiso sounds neat, but it performs worse at low temperatures: "It's R-6 per inch during the summer, but only R-4.5 per inch on a cold day in winter." so it provides somewhere between R36 and R27 in a 6" space. [ greenbuildingadvisor.com/article/… ] | |
| Aug 29, 2013 at 1:13 | history | edited | BMitch | CC BY-SA 3.0 |
removing outdated comment about the question's hold
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| Aug 29, 2013 at 1:04 | history | answered | bcworkz | CC BY-SA 3.0 |