Ridge vent problems - General Roofing Discussion - Contractor Talk

Ridge vent problems

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Old 02-16-2011, 04:39 PM   #1
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Ridge vent problems

How critical is the amount of wood cut out for a ridge vent? I am working on a roof that has a 2x6 ridge with 3 1/2 inches cut out on each side. The Air Vent foam barely covers any wood for a seal. Somewhere I read that if too much wood is cut out it will work against the operation of the ridge vent.


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Old 02-16-2011, 06:23 PM   #2
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Re: Ridge vent problems

My concern with Air Vent is that it seems to flatten out across the peak.
I have seen it pond water.
I had to fix it with by adding a piece of wood on top of the ridge pole.

Most guys open just about 1" of air flow on each side.
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Old 02-18-2011, 03:40 PM   #3
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Re: Ridge vent problems

the proper amount is 3/4" inch per spec.

over 1" will void the product warranty and almost certainly leak..

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