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TOPIC: General Discussion

Venting

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Anyone make an intake roof vent that is in-roof (as opposed to soffit) mounted? Similar to Coravent's In-Vent but for standing seam metal roofs?
Guest User

2/12/2008
Not that I've seen. The fact is, using the In-Vent system, with asphalt shingles you can easily slip the vent between shingles, whereas with standing seam, there is no good way to do it, considering that the panels are full length. I spoke with a rep for Coravent, and he suggested that you could: a. use their V600T system behind the gutter (see the attached pdf file). This is usually only possible in a new construction situation) b. install box vents on the roof, possible fan driven. He did not reccomend using a gable vent, as he felt that it would not provide adequate air intake.
Nate Libbey

2/19/2008
Some manufacturers of metal roofing can provide a vented starter to accomplish this as well. Todd Miller
Todd Miller
Isaiah Industries, Inc.

2/23/2008
nate, it is unclear from your drawing where the airflow is going. is the rafter space is open to an attic? i would think a more common problem would be venting under the roof panels, but above the sheathing. if you were to put a 1" nailer, it would naturally be perpendicular to the ridge and eave, stopping that flow. solutions, anyone?
Guest User

5/29/2008
His drawing is for a traditional attic. You can install vertical battens and then horizontal for good above sheathing ventilation with some products. Todd Miller
Todd Miller
Isaiah Industries, Inc.

5/29/2008
Exactly.
Nate Libbey

5/30/2008
Thanks. Todd Miller
Todd Miller
Isaiah Industries, Inc.

5/30/2008