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04-03-2007, 01:47 AM
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Join Date: Mar 2007
Location: Colorado Springs, CO
Posts: 676
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Roof Jack w/ Neoprene Boot At B Vent
The roof jack at the B vent for the water heater has a neoprene boot. There should be a 1" clearance between a B vent and combustible materials so the use of a neoprene boot at a B vent would be improper, right?
(First pic taken with CopterCam.  )
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04-03-2007, 07:07 AM
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Join Date: Mar 2007
Location: Chicago, IL
Posts: 1,148
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Re: Roof Jack w/ Neoprene Boot At B Vent
CoptorCam?
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04-03-2007, 08:20 AM
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Join Date: Mar 2007
Location: Spring Hill (Nashville), TN
Posts: 1,746
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Re: Roof Jack w/ Neoprene Boot At B Vent
Originally Posted by Bruce Breedlove
The roof jack at the B vent for the water heater has a neoprene boot. There should be a 1" clearance between a B vent and combustible materials so the use of a neoprene boot at a B vent would be improper, right?
(First pic taken with CopterCam.  )
That is a great picture. The boot is completely wrong for that type of application. That type of boot jack or vent stack boot is made for plumbing vents and not "B" vents. It needs to have a metal transition cone with a storm collar to keep the water out.
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04-03-2007, 09:13 AM
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Join Date: Mar 2007
Location: Duncanville, Tx
Posts: 1,086
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Re: Roof Jack w/ Neoprene Boot At B Vent
As Scott properly identified, that is a plumbing vent boot and is not rated for a ombustion flue.
The flashing should be of the metal type rated for a B-vent combustion flue.
Richard
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04-03-2007, 11:33 AM
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Join Date: Mar 2007
Location: Colorado Springs, CO
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Re: Roof Jack w/ Neoprene Boot At B Vent
That's the way I wrote it up. Thanks for confirming my suspicions, guys.
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04-03-2007, 01:52 PM
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Join Date: Mar 2007
Location: Duncanville, Tx
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Re: Roof Jack w/ Neoprene Boot At B Vent
Copter-Cam!!!
RR
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04-03-2007, 02:14 PM
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Join Date: Mar 2007
Location: San Diego, CA
Posts: 74
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Re: Roof Jack w/ Neoprene Boot At B Vent
Those boot are worthless. They fail over time or if installed wong (done alot) and basically end up holding water - bad concept IMHO.
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