replacing bathroom ceiling exhaust fan/light with missing flex duct

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Old 07-04-14, 03:10 PM
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Wink replacing bathroom ceiling exhaust fan/light with missing flex duct

I am replacing a bathroom exhaust fan, and found the contractor did not connect the flexible duct to the fan. Instead, the fan empties between two of the joists and about 10 ft away is boxed with a flex duct that runs another 12' to a vent on the outside wall. Is this an acceptable practice? Will this result in any moisture problems above the ceiling?
 
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Old 07-04-14, 07:30 PM
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Should be flex or metal duct all the way and preferably insulated.
Geo
 
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Old 07-05-14, 02:49 PM
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The duct should be continuous to the exterior of the house.
 
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