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Old 09-09-2012, 11:09 AM   #1
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Ridge Vent Width?


This is a view of my new roof (2-story addition)....upstairs is a master bed and bath....all vaulted ceilings.

I installed the horz boards so that I don't have to drywall around the ridege beam....which is a 'small' 5 1/4" x 11 1/4" PSL....about 35' long.

So....in order to properly vent this vaulted ceiling I will need a ridge vent....seeing how that beam is over 5" wide...that means that if the ridge slot is 2" wide....then I am looking at almost 10" from one side to the other for the ridge vent cap. Is that an available size?

And....do the ridge slots have to be continous? If I do a continous slot....well....it would seem to negate the plywood sheathing that is nailed to my ridge beam.

I have Simpson straps that go across every other rafter so I can't cut through there....rafters are 16" OC....so would a 10" slot sufice?

And yes...I will be installing the vent channels (or what ever you call them) between the rafters so air can flow up between the insulation and sheathing. And I'm open to ideas on what to use instead of buying the plastic ones...



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