Central Air Ductwork in basement is all dripping water?


Old 07-18-05, 10:46 PM
Mark 336
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Arrow Central Air Ductwork in basement is all dripping water?

I have a two story colonial with the furnace in the basement. A majority of the ductwork is in the basement and it is not insulated. My basement is freezing cold and the ductwork is all dripping beads of water for the length of the ducts. They drip often but not always. Lately, it has been constant. Any suggestions?
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Old 07-19-05, 04:55 AM
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You either need to put a supply and return in the basement or insulate the duct work.
Old 07-19-05, 07:48 PM
Mark 336
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Insulation sounds good!

Hi Mattison,
Thanks for the quick reply.
The supply and return is outside and the furnace it runs through is in the basement. I think that insulation would be the best bet. But, since I know that the ductwork has the potential to drip often, am I better off using that foil-like bubble wrap insulation or some other kind of insulation??????????
Old 07-19-05, 07:56 PM
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Duct insulation

I use & suggest foil faced fiberglass. It is available at any HVAC supply house & some home centers. Make sure the duct is dry before installing. If you have a staple gun made to clinch the staples outward, staple the overlap then tape with foil tape. A tape rated UL-181 is better than the average home center foil tape. It would not hurt to run a dehumidifier in the basement as well.
Old 07-21-05, 12:31 PM
Mark 336
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Foil faced fiberglass.

Sounds good, Thank You............

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