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Old 06-25-2010, 12:47 PM   #1
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ridge vent on low slope torchdown 2/12


Hi all,

I'm a long time diyer and have an issue with the house my wife and I bought a few months ago.

The roof is a torch down with a 2/12 pitch. it has venting all along the eaves, but very limited venting near the ridge.

We have a cathedral ceiling that drips on occasion, I'm assuming due to condensation issues.

I'd like to have a ridge vent installed to improve airflow, since the air gets trapped at the ridge and there is no flow between the rafters.

We also have a large chimney and I'd like to put a venting system below but near the chimney to allow the hot air to escape.

Any ideas you have would be appreciated.

We are also thinking of coating the roof this summer, but would like to find some coating that isn't bright silver or white.

Thanks for you ideas.

photo can be found here http://picasaweb.google.com/Alex.Tat...68319868624146


Last edited by alexinseattle; 06-25-2010 at 12:48 PM. Reason: spelling
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Old 06-25-2010, 01:59 PM   #2
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ridge vent on low slope torchdown 2/12


I would first install a double stacked layer of 2" x 4"s on each side of the newly cut ridge vent slot and prior to installation, I would cut the wood into a canilever at a 45* angle and then apply a fresh sheet of new modified bitumen over the wood surface and properly terminate it to the inside edge of the top of the wood and then install the ridge vent on top of this structure to minimize or even hopefully eliminate the potential for moisture intrusion due to the minimal slope of the roof surface.

Ed

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Old 06-26-2010, 10:05 PM   #3
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ridge vent on low slope torchdown 2/12


Acrylics and elastomerics can be tinted at your local paint store.
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