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#153849 - 12/16/03 10:53 PM Dryer Venting  
Bill Addiss  Offline
Member
Joined: Oct 2000
Posts: 3,878
NY, USA
Does the Building code require Metal venting for Dryers? (Residential Occupancy) Or is that a Manufacturer's recomendation?

Bill


Building Codes & Related References

#153850 - 12/16/03 11:14 PM Re: Dryer Venting  
Ryan_J  Offline
Moderator
Joined: Aug 2003
Posts: 1,374
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

#153851 - 12/17/03 10:39 AM Re: Dryer Venting  
Ryan_J  Offline
Moderator
Joined: Aug 2003
Posts: 1,374
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

#153852 - 12/17/03 12:06 PM Re: Dryer Venting  
pauluk  Offline
Member
Joined: Aug 2001
Posts: 7,520
Norfolk, England
Is that solid ducting, or the Spiral-wound expanding type? The latter is very common here for dryer vents and such like.


#153853 - 12/17/03 01:06 PM Re: Dryer Venting  
pwood  Offline
Member
Joined: Feb 2003
Posts: 67
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.


#153854 - 12/17/03 02:23 PM Re: Dryer Venting  
Bill Addiss  Offline
Member
Joined: Oct 2000
Posts: 3,878
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


#153855 - 12/17/03 02:29 PM Re: Dryer Venting  
Ryan_J  Offline
Moderator
Joined: Aug 2003
Posts: 1,374
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

#153856 - 12/17/03 03:07 PM Re: Dryer Venting  
Bill Addiss  Offline
Member
Joined: Oct 2000
Posts: 3,878
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).]


#153857 - 12/17/03 03:26 PM Re: Dryer Venting  
ElectricAL  Offline
Member
Joined: Oct 2001
Posts: 597
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

#153858 - 12/17/03 06:11 PM Re: Dryer Venting  
iwire  Offline
Moderator
Joined: Jan 2003
Posts: 4,391
North Attleboro, MA USA
I have never done the venting, I may supply the exhaust fan but not the venting. [Linked Image]

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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