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#153849 - 12/16/03 06:53 PM Dryer Venting
Bill Addiss Offline
Member

Registered: 10/07/00
Posts: 4196
Loc: NY, USA
Does the Building code require Metal venting for Dryers? (Residential Occupancy) Or is that a Manufacturer's recomendation?

Bill

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Building Codes & Related References
#153850 - 12/16/03 07:14 PM Re: Dryer Venting
Ryan_J Offline
Moderator

Registered: 08/19/03
Posts: 1355
Loc: West Jordan, Utah, USA
I'm pretty sure the IRC requires it except at the appliance. I'll check tommorrow for you.
_________________________
Ryan Jackson,
Salt Lake City

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#153851 - 12/17/03 06:39 AM Re: Dryer Venting
Ryan_J Offline
Moderator

Registered: 08/19/03
Posts: 1355
Loc: West Jordan, Utah, USA
Hi Bill. Section M1501.1 of the 2000 IRC states that the duct shall be metal.
_________________________
Ryan Jackson,
Salt Lake City

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#153852 - 12/17/03 08:06 AM Re: Dryer Venting
pauluk Offline
Member

Registered: 08/11/01
Posts: 7693
Loc: Norfolk, England
Is that solid ducting, or the Spiral-wound expanding type? The latter is very common here for dryer vents and such like.

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#153853 - 12/17/03 09:06 AM Re: Dryer Venting
pwood Offline
Member

Registered: 02/04/03
Posts: 64
Loc: castella,calif usa
bill,
the umc section 504.3.2.1 says"domestic clothes dryer moisture exhaust ducts shall be of metal and shall have smooth interior surfaces"exception allows up to 6' of approved flexible duct to connect to the metal duct.flexible portion not to be concealed.

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#153854 - 12/17/03 10:23 AM Re: Dryer Venting
Bill Addiss Offline
Member

Registered: 10/07/00
Posts: 4196
Loc: NY, USA
How new is this requirement?

I can swear there's still plastic dryer venting kits on the store shelves, or that there was recently.

Bill

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#153855 - 12/17/03 10:29 AM Re: Dryer Venting
Ryan_J Offline
Moderator

Registered: 08/19/03
Posts: 1355
Loc: West Jordan, Utah, USA
Bill: I'm not sure how new this requirement is, sorry.

In regards to your statement about product availability, this should not surprise you. Take a trip some time to a big box (or other) hardware store and see how many non-compliant items you find. The plumbing department, for example, has many, many items that do not comply.
_________________________
Ryan Jackson,
Salt Lake City

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#153856 - 12/17/03 11:07 AM Re: Dryer Venting
Bill Addiss Offline
Member

Registered: 10/07/00
Posts: 4196
Loc: NY, USA
How many Electricians among us install the venting for Dryers and Exhaust Fans?

I've always maintained that it really wasn't my job and would only do it if no one else would or could. What have you seen, who usually does it?

Bill Addiss

[This message has been edited by Bill Addiss (edited 12-17-2003).]

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#153857 - 12/17/03 11:26 AM Re: Dryer Venting
ElectricAL Offline
Member

Registered: 10/10/01
Posts: 615
Loc: Minneapolis, MN USA
In my area, venting requires a seperate permit. The owner-occupant or an HVAC contractor are the credentials required to pull the permit.
_________________________
Al Hildenbrand

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#153858 - 12/17/03 02:11 PM Re: Dryer Venting
iwire Offline
Moderator

Registered: 01/05/03
Posts: 4343
Loc: North Attleboro, MA USA
I have never done the venting, I may supply the exhaust fan but not the venting.

I only see the HVAC guys do that or once in a while the GC.
_________________________
Bob Badger
Construction & Maintenance Electrician
Massachusetts

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