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Inspecting HVAC Systems Topics include heating, venting, and air conditioning inspections.

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  #1  
Old 4/22/06, 8:50 AM
Michael H. Butters Michael H. Butters is offline
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Default Ducting on attic floor.
Why should the A/C flex duct be suspended from the attic floor.
How new is this requirement? A home owner / buyer wanted to know.
He's an attorney. so I thought I might try to get a good answer for him.
All help is appreciated. This message board rocks.
I have two inspections to do so I'll be back later.
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Old 4/22/06, 7:11 PM
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David P. Valley David P. Valley is offline
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Default Re: Ducting on attic floor.
Quote:
Originally Posted by mbutters
Why should the A/C flex duct be suspended from the attic floor.
How new is this requirement? A home owner / buyer wanted to know.
He's an attorney. so I thought I might try to get a good answer for him.
All help is appreciated. This message board rocks.
I have two inspections to do so I'll be back later.
How does someone suspend flex duct from an attic floor?Attachment 3059
Last edited by dvalley; 10/7/07 at 5:41 PM..
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Old 4/22/06, 8:05 PM
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gbeaumont gbeaumont is offline
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Default Re: Ducting on attic floor.
Quote:
Originally Posted by mbutters
Why should the A/C flex duct be suspended from the attic floor.
How new is this requirement? A home owner / buyer wanted to know.
He's an attorney. so I thought I might try to get a good answer for him.
All help is appreciated. This message board rocks.
I have two inspections to do so I'll be back later.
Hi to all,

IRC state the following:
  • Ductwork to be a min 4' above ground
  • Flex duct to be supported every 4ft with 1 1/2" straps or to manufacters specs
Regards

Gerry


"To realize our true destiny, we must be guided not by a myth from our past, but by a vision of our future."
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  #4  
Old 4/23/06, 7:12 AM
David P. Valley's Avatar
David P. Valley David P. Valley is offline
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Default Re: Ducting on attic floor.
Flex Duct does not have to be suspended (in the attic).

It can absolutely be laid on the attic floor...
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  #5  
Old 6/14/06, 7:49 AM
jmcmahan jmcmahan is offline
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Default Re: Ducting on attic floor.
here in some parts of ohio 14'' is required above attic floor its usully up to the inspector or some builders prefrence
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