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Old 06-19-2014, 07:30 AM   #1
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Attic Area


I'm adding Smart-Vents to an area over a bedroom. I opened up the small gable vent and this is what I found for insulation. Looks like blown in but there is a ton of space between the insulation and the rafters.

Is this typical and adequate for the space?
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Old 06-19-2014, 12:44 PM   #2
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What do you mean by "Smart - Vents"? Do you mean something like DCI's product?
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Old 06-19-2014, 02:04 PM   #3
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Yes, correct. Adding those on roof above the soffit, I cut in a ridge vent, and I need to vent the roof where the valley of the two pitches meet so I have air flow from the lowest part of the roof up along the shown rafters and then into the attic area and out the newly installed ridge vent
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Old 06-19-2014, 04:14 PM   #4
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In your area there was suppose to be at least R50 which would be about 12" of insulation.
The attic also should have been air sealed before insulating.
Air sealing is no more the using expanding foam around any place anything was run though the top plates or ceilings into the attic.
Wiring, plumbing, lighting or ceiling fans.
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Old 06-20-2014, 12:40 AM   #5
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Following, thanks.
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Old 06-20-2014, 06:07 AM   #6
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Quote:
Originally Posted by johnpma View Post
Yes, correct. Adding those on roof above the soffit, I cut in a ridge vent, and I need to vent the roof where the valley of the two pitches meet so I have air flow from the lowest part of the roof up along the shown rafters and then into the attic area and out the newly installed ridge vent
They are so tight to the sheathing that unless the insulation is packed in there, you should be fine with the addition of those vents. They do work.
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