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Old 05-07-2012, 02:30 PM   #1
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Ridge vent


Are you suppose to apply cobra ridge vent on a 12 12 pitch

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Old 05-07-2012, 02:33 PM   #2
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Ridge vent


Why did you post in the appliance area, instead of the roofing area.
Any pitched roof needs a ridge vent.

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Old 05-07-2012, 11:39 PM   #3
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Ridge vent


Welcome to the forums! You'll be scooting around in the different rooms in no time....

Would not be my first choice:

http://www.oikos.com/esb/30/atticvent.html

http://www.buildsite.com/dbderived/a...rived20936.pdf

http://www.inspectapedia.com/interiors/atticcond10.htm

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Old 05-08-2012, 12:28 AM   #4
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Ridge vent


Opps I missed the Cobra part.
All my roofing supplyers have stoped selling it.
It does not vent enough air and is a royal pain to install and not have it look like a snake eatting a rat.
This works better.
http://images.search.yahoo.com/image...mb=cpCLpHoH11V
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Windows on Wash (05-08-2012)
Old 05-08-2012, 07:17 AM   #5
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Quote:
Originally Posted by joecaption View Post
Opps I missed the Cobra part.
All my roofing supplyers have stoped selling it.
It does not vent enough air and is a royal pain to install and not have it look like a snake eatting a rat.
+1

We never use the roll out cobra vent any more. It is cheap and can easily be installed improperly and create major headaches.
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Old 05-08-2012, 08:12 AM   #6
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Ridge vent


Quote:
Originally Posted by joecaption View Post
Any pitched roof needs a ridge vent.

That's a pretty broad, sweeping statement there.

Last edited by seeyou; 05-08-2012 at 10:05 AM.
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Old 05-08-2012, 08:39 AM   #7
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Ridge vent


Pitched roofs with spray foam insulation installed in the rafters, don't need a ridge vent in my region.
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Old 05-08-2012, 09:47 AM   #8
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Originally Posted by AtlanticWBConst. View Post
Pitched roofs with spray foam insulation installed in the rafters, don't need a ridge vent in my region.
+1

Hot roof designs (whether spray foam or otherwise) do not require roof ventilation if they have enough R-Value and air tightness in the roof.

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