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Old 01-29-09, 09:12 AM   #38
Daox
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Location: Germantown, WI
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Nope, the plastic is there to hold back the insulation from going down and clogging the air vent that was made by installing the foam board an inch from the roof itself. Its basically my DIY version of staple up plastic or foam vents you see in any home improvement store.

FYI I should mention that this has noticeably helped. It is now 1-3 degrees warmer in my bedroom which is upstairs.
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