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Old 02-12-2012, 09:00 PM   #1
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Rerouting my dryer vent


Hi everyone! My family recently moved, and our dryer vents into the garage. It's a first floor dryer. It's dumping moisture and dirty air into the garage. I want to change this.

One option is to route the vent into the basement, run it 18 feet along the floor, and then up and out through the brick wall. That's the shortest run. Another option is to go up through the garage roof, along the attic floor, and then out through the roof overhang. I could also go out from the attic through the roof. Any thoughts on what might be best, or have any other ideas? If I take it down through the floor, would it be best to go into the wall and down (to allow me to push the dryer closer to the wall) or just go from the dryer into the floor? Any help would be appreciated

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Old 02-12-2012, 09:08 PM   #2
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Rerouting my dryer vent


Is this your house or one your renting. There's no outside wall in the garage?

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Old 02-12-2012, 09:26 PM   #3
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Rerouting my dryer vent


It's my house. If I take it out through the garage wall I would have an exposed vent running along the entire front wall.
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Old 02-12-2012, 10:06 PM   #4
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Rerouting my dryer vent


I'd vent it where it would require the least amount of effort on your part. Through the eves would be easy I would think. I wouldn't go through the roof unless you're capable of repairing shingles/roof. Our vent goes through the rim joist (outer joist) on our house.
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Old 02-12-2012, 10:12 PM   #5
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Rerouting my dryer vent


How about a picture inside that garage. to use figure out what your working with.
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Old 02-13-2012, 09:34 AM   #6
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Rerouting my dryer vent


i agree with cibulla just vent it where it is the least amount of work, or run it along the garage wall to where ever you want to go out ,and build something around it so you don't see it ...pei canada
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Old 02-13-2012, 09:46 AM   #7
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Rerouting my dryer vent


You may want to check this out for total length, elbows..

http://www.appliance411.com/faq/dryer-vent-length.shtml
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Old 02-13-2012, 10:41 AM   #8
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Maybe this quick sketch will explain it better.

I really wanted to avoid having the exposed vent in the garage by the door, which is why I thought taking it down into the basement (through the laundry room floor) and then up through a wall (other than the garage wall) might work best. Thanks for all the help.
Attached Files
File Type: pdf [Untitled]_new78CB.pdf (61.7 KB, 237 views)
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Old 02-13-2012, 11:31 AM   #9
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Rerouting my dryer vent


Running the line that long would be a sure way to have it plug up and rust out from standing moisture.
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Old 02-13-2012, 12:26 PM   #10
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I think it's too long as well. But, short of moving my laundry room, I don't know what other options I have.
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Old 02-13-2012, 01:35 PM   #11
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http://residential.fantech.net/resid...-booster-fans/
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Old 02-13-2012, 11:12 PM   #12
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Rerouting my dryer vent


M1502.4.4.2 Manufacturer's instructions. The size and maximum length of the exhaust duct shall be determined by the dryer manufacturer's installation instructions. The code official shall be provided with a copy of the installation instructions for the make and model of the dryer at the concealment inspection. In the absence of fitting equivalent length calculations from the clothes dryer manufacturer, Table M1502.4.4.1 shall be used. From: http://publicecodes.citation.com/ico...002_par009.htm

M1502.4.4.1 Specified length. The maximum length of the exhaust duct shall be 25 feet (7620 mm) from the connection to the transition duct from the dryer to the outlet terminal. Where fittings are used, the maximum length of the exhaust duct shall be reduced in accordance with Table M1502.4.4.1.

TABLE M1502.4.4.1 DRYER EXHAUST DUCT FITTING EQUIVALENT LENGTH


DRYER EXHAUST DUCT FITTING TYPE EQUIVALENT LENGTH 4 inch radius mitered 45 degree elbow 2 feet 6 inches 4 inch radius mitered 90 degree elbow 5 feet 6 inch radius smooth 45 degree elbow 1 foot 6 inch radius smooth 90 degree elbow 1 foot 9 inches 8 inch radius smooth 45 degree elbow 1 foot 8 inch radius smooth 90 degree elbow 1 foot 7 inches 10 inch radius smooth 45 degree elbow 9 inches 10 inch radius smooth 90 degree elbow 1 foot 6 inches
From: http://publicecodes.citation.com/ico...002_par008.htm
Well, the chart didn't make it, use the link.

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Old 02-15-2012, 08:10 AM   #13
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Rerouting my dryer vent


Everyone, thanks for the info. I've decided to run it along the front wall of the garage. I may eventually cover it with a baffle to make it look a bit better. The total run will be less than 20' with one, maybe two, 90 degree bends.
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Old 02-15-2012, 10:54 AM   #14
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Rerouting my dryer vent


Great infor in that first length.

I have a similar problem where the dryer is in the garage and simply vented with no vent directly in the garage. You can imagine the nasty falling drywall that was behind the dryer, with a light mold on it.

All is removed now, but I need to run a vent outdoor. I had not thought about the soffit before and was debating whther or not I needed to hire someone to put a vent through the roof. But now that you mention it, I think the soffit might be the perfect place to vent without putting a hole in the roof.

My first thought was to Y it into the water heater vent, but, seems a very quick recipe for a large fire!
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Old 02-15-2012, 11:17 AM   #15
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Quote:
Originally Posted by Double View Post
My first thought was to Y it into the water heater vent, but, seems a very quick recipe for a large fire!
You can't do that. When the dryer is running it would basically pressurize the vent line and the hot water heater would not be able to exhaust properly.

Dryer vents need their own, dedicated vent line.

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