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Old 11-24-2013, 07:12 PM   #16
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Large circulating vent on new home


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Originally Posted by gregzoll View Post
You have bigger issues at hand then you realize with this, but it can be fixed.
Well give me an idea. What needs to be done?

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Old 11-24-2013, 07:40 PM   #17
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Large circulating vent on new home


I looked at all your past post and could not see any place you said where you are.
Here's an idea of what was supposed to be up there for insulation.
http://www.energystar.gov/index.cfm?...sulation_table
In addition there was supposed to be foam baffles for air flow from the soffits to the ridge vent.

That vent need to be removed, shingles get removed back to the ends of whole shingles, sheathing cut back to the middle if the two rafters and cut it out so you have a square hole.
Cut a plywood or OSB patch and nail In place. Install tar paper cut big enough to cover the whole area.
Install new shingles.
Here's some videos on how to patch the ceiling.
http://www.bing.com/videos/search?q=...pair&FORM=VDRE
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Old 11-24-2013, 09:33 PM   #18
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Large circulating vent on new home


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That vent need to be removed, shingles get removed back to the ends of whole shingles, sheathing cut back to the middle if the two rafters and cut it out so you have a square hole.
Thanks that is helpful. So the only problems are the removal of vent, subsequent patch job and the insulation/venting?
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Old 11-25-2013, 10:23 PM   #19
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Large circulating vent on new home


Hello all again. I went back to the house with the turbine vent and did more investigating and took some pictures. There are 9” of faced fiberglass insulation. For southern Michigan that is not too bad.

I have pictures of the venting that was done udder the soffits. I put my hand into the one where the aluminum was torn off and I can feel there is a gap for the air to circulate to the ridge vent as I understand it should be.
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Last edited by crescere; 11-25-2013 at 10:30 PM.
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Old 11-25-2013, 10:25 PM   #20
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Large circulating vent on new home


This is where a length of aluminum got torn off but there is a gap there for air circulation.
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Old 11-25-2013, 10:28 PM   #21
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Large circulating vent on new home


It has this all around the house, so I should have plenty of cirulation.
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Old 11-25-2013, 11:51 PM   #22
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Large circulating vent on new home


If the gap under the perforated soffit is full 4" wide by the length of the cathedral roof--- and the holes are cleaned annually, you may be fine. See- 4" center vented panel- NFVA of 4.78 x 22.5"= 9 sq.in which just makes the 1/150 minimum;http://bluelinxco.com/Portals/0/docs...20Brochure.pdf

http://www.airvent.com/homeowner/pro...it-specs.shtml

Those small holes tend to collect the moisture in the air as it moves past/through them and then that collects dirt to plug them/restrict useless. (just because the vinyl has holes- doesn't mean the framing does, check it all). You should be showing a starter course of shingles that would block the open view of the tab gaps outboard of the drip-edge material.....

Gary

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Last edited by Gary in WA; 11-25-2013 at 11:58 PM.
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