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NeilBlanchard · 12-18-2008, 01:04 PM

Hello,

Trapped air is how you gain R-value. I would try 2 layers of 6 mil plastic, each taped tightly to all surfaces, and if possible, with a 1/2-3/4" of space between them. Calulk the gaps around the frame first.

12-18-2008, 01:04 PM	#2 (permalink)
NeilBlanchard Master EcoModder Join Date: May 2008 Location: Maynard, MA Eaarth Posts: 3,940 Mica Blue - '05 xA RS 2.0 Team Toyota 90 day: 48.22 mpg (US) Josepha - '08 xD 90 day: 30.76 mpg (US) Thanks: 513 Thanked 501 Times in 306 Posts	Hello, Trapped air is how you gain R-value. I would try 2 layers of 6 mil plastic, each taped tightly to all surfaces, and if possible, with a 1/2-3/4" of space between them. Calulk the gaps around the frame first. __________________ Sincerely, Neil http://neilblanchard.blogspot.com/