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Old 03-15-2007, 11:09 AM  
texanator
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I'm about to redo my dryer duct. The old one runs out thru the roof and
it's just a hassle to maintain properly.

The new duct will be horizontal and only 4' 2" long instead of going thru the roof.

The new duct will run thru a tiny storage closet, which is accessible from
the outside of the house only.

My question is... can I use 4" PVC pipe instead of the standard sheet metal duct?

The PVC would be strong enough to take minor bangs without me
having to build a box around it to shield it from dings and bangs.
(the part that is exposed inside the storage closet)

Are there safety/Building code/practicality reasons against using PVC?

--Sur



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Old 03-15-2007, 02:51 PM  
jeff1
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Hi,

Check local codes, check with local contractor/builders, in my area it is frowned upon.

-Might- had to do with so many appliances having electronics in them now and some piping causes static electricity ( JMO! )

Galvanized piping is stronger than the aluminim/tin type is and can take most punishment ( or at least my kids haven't broken ours yet )

jeff.



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Old 03-15-2007, 03:54 PM  
glennjanie
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PVC would not be safe! Dryer ducts sometimes have fires in them and the normal heat of the dryer would soften the PVC to a point that would allow easy crushing.
Jeff has it right, galvanized metal pipe would work best.
Glenn

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Old 03-15-2007, 05:57 PM  
Daryl
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Completely a no no on plastic anymore. If you have a gas dryer and have a puncture inside you would be letting Carbon Monoxide in your home. Not saying you do , just good info. Go metal and be safe for sure. Use aluminum (foil) tape at the joints, not duct tape.

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Old 03-17-2007, 08:33 AM  
Daryl in Nanoose
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Galvinized all the way with aluminum foil tape on the joints. But you know boxing it in is a very good idea.

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Old 03-23-2007, 07:16 PM  
Mike9825
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Quote:
Originally Posted by Daryl in Nanoose View Post
Galvinized all the way with aluminum foil tape on the joints. But you know boxing it in is a very good idea.
i 2nd this -Mike-
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Old 04-02-2007, 11:56 AM  
texanator
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Quote:
Originally Posted by texanator View Post
I'm about to redo my dryer duct. The old one runs out thru the roof and
it's just a hassle to maintain properly.

The new duct will be horizontal and only 4' 2" long instead of going thru the roof.

The new duct will run thru a tiny storage closet, which is accessible from
the outside of the house only.

My question is... can I use 4" PVC pipe instead of the standard sheet metal duct?

--Sur
Thanks for yalls input. I procrastinated long enough and finally tackled this task.
End result, 49 inch galvanized metal duct thru one interior wall and one exterior wall.
Added a new powertool into my collection, a Bosch rotary hammer,
which "cut" thru the exterior brick wall like butta.

--Sur
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Old 04-02-2007, 09:54 PM  
jeff1
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Thankx for the update!

jeff.

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Old 12-17-2007, 08:39 AM  
booft
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Good thread, many people forget thing from time to time. I try and check mine once a month if I can. Also, mine oddly doesnt clog anywhere in the middle, only the outter end piece that is outside of my house. So a quick spray off the trap (its a rodent trap) and its clean again.

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Old 01-16-2008, 03:34 PM  
learning
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I moved into my home about 2.5 years ago. Checking the dryer duct was on the list, but I had about a dozen other "immediate" safety issues.

Anywho, I went down to the crawl space, untied the insulation (yes, I untied the nylon rope holding the fiberglass insulation to the ceiling!) and found that the dryer vent is no more than 2 inches away from the gas line. In many instances the dryer vent touches the gas line. Is my house going to explode?

I certainly don't have anything against explosions. And at this point I certainly don't have anything against my house exploding. Its just that all of my stuff is there.



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