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Question DetailsAsked on 3/25/2014

who would install vent on roof to add hood in kitchen

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Voted Best Answer

HVAC contractor doing the ducting can do it, but my experience is their knowledge on how to install watertight roof penetrations is pretty limited. I have seen some incredibly crude, sloppy, or just plain wrong things done by handymen and HVAC contractor and plumbers in doing roof penetrations. My recommendation is to have a Roofer install the proper roof vent and roof jack (water seal) FIRST, then have the HVAC contractor put in the vent run the duct from there down to the hood. That way both contractors don't have to be coordinated to be there the same time.

Of course, the HVAC contractor has to provide the exact location and duct size to the roofer in advance - usually by putting a nail in the roof where it should be centered.

Answered 6 years ago by LCD

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