Originally Posted By: berby
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I just inspected a house and the dryer vented into the attic. Is that a code violation in TN?
I just inspected a house and the dryer vented into the attic. Is that a code violation in TN?
Originally Posted By: jkormos
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moisture should be vented outside
Originally Posted By: phinsperger
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| jkormos wrote: |
| moisture should be vented outside  |
Ah yes but a constant supply of insulation from the lint. After a few decades you might an extra few inches
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Originally Posted By: berby
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Can anyone help me with the code in TN. on this mater. Because TN code allow builders to let bathroom vent into the attic.
Originally Posted By: berby
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Can anyone help me with the code in TN. on this matter. Because TN codes allow builders to let bathroom vents vent into the attic.
Originally Posted By: rcloyd
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Barron,
I cannot imagine any building code permitting an exhaust fan from a bathroom to vent into an attic. Perhaps the local building official allows it to happen out of ignorance. All dryers should be vented to the outside in accordance with the manufacturers installation instructions. The IRC requires all dryers ducts to terminate to the exterior of the building with the exception of condensing type dryers (intended to be used with no vent).
Hope this helps.
--
Russell G. Cloyd
Intra-Spec Home Inspections
& Code Consulting, LLC
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Originally Posted By: mcyr
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Hi. Baron;
No matter what State you are in, the dryer vent should go to the outside, and also is limited to a 15 foot run on most models. Their are exceptions and related alternatives to this, but I will not get to that.
Marcel
Originally Posted By: berby
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Thanks guys, for the feed back.
Originally Posted By: jonofrey
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The IRC limits the length to 25’ maximum, with exceptions.
I called out a dryer vent on a pre-drywall inspection. It had 25' of straight vent and three elbows. The builder wanted me to send him the code page. So I did, today. Witht the three elbows, the length is the equivilent of 40'.
Same house had no upper roof ventilation. Builder said soffit vent was enough becuase it's engineered ya know. Cool, I don't have to send you the code reference on that one, you can just send me the engineered design!
Still waiting.
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Originally Posted By: mcyr
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My post indicated 15 feet maximum, had already included the exceptions.
A minimum of two 90 degree bends will almost always be required.
Five feet of duct is lost for every elbow. 25 feet minus 10 feet = 15 feet.
Most dryer Manufacturers will approve 15 feet of running duct.
If further than that, there exist in-line boosters that are readily available from different Manufacturers. These boosters will enable dryers to extend the venting to 25 to 30 feet, depending on the Model. An electrician needs to provide a micro switch to contact the booster when the dryer is activated.
Marcel
Originally Posted By: bgentry
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I had one the other day that vented into the heating ducts. I bet it got pretty warm in the house (which didn’t have A/C) during the summer when doing laundry.
–
Bradley S. Gentry
Superior Home Inspection, LLC
Harrisonburg, Charlottesville, &
Elkton, VA
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Originally Posted By: mcyr
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Hi. Brian;
This is hilarious, reminds me of a underground cave walk, stalagmite meant it might make it to the ceiling, but in this case, it did not join.
Marcel
Originally Posted By: lewens
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Brian
I can hear it now. " Boss I don’t know what happened. I cut it twice and the damn thing is still too short!"
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