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Old 03-05-2012, 09:56 PM   #1
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Completely plug a duct that is never used but can't be removed?


There is much more to this story, but I'll make it simple.
I have a 4" duct that I can't remove, but I would like to completely plug it. Sticking a small towel in there has worked perfectly, but I worry about safety or insurance issues. Any recommendations for something I can stick in there to quickly and safely plug it? Or maybe some sort of expanding foam? I am open to anything but unfortunately it is a tight area to work in. I have googled like crazy, but all I get is info about that goop you put outside your ducts to seal them.

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Old 03-05-2012, 09:58 PM   #2
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Completely plug a duct that is never used but can't be removed?


Quote:
Originally Posted by skiposwald View Post
There is much more to this story, but I'll make it simple.
I have a 4" duct that I can't remove, but I would like to completely plug it. Sticking a small towel in there has worked perfectly, but I worry about safety or insurance issues. Any recommendations for something I can stick in there to quickly and safely plug it? Or maybe some sort of expanding foam? I am open to anything but unfortunately it is a tight area to work in. I have googled like crazy, but all I get is info about that goop you put outside your ducts to seal them.
seal a 4" cap on the pipe... picture would help

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Old 03-05-2012, 10:18 PM   #3
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Completely plug a duct that is never used but can't be removed?


Thanks, but seal it with what? Is there caulk for inside ducts? I won't be able to use any sorts of tools besides my hands.

Unfortunately, it is too cramped to get a picture that would make any sense to anyone.
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Old 03-05-2012, 10:25 PM   #4
how
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Completely plug a duct that is never used but can't be removed?


If the 4' pipe is not connected to the chimney and the concern is only about safety or insurance then the towel is fine. Anyone in the trade however would use a 4" cap and screw, seal or tape to secure.
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Old 03-05-2012, 10:26 PM   #5
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Completely plug a duct that is never used but can't be removed?


One of these and some foil tape and your done.
http://images.search.yahoo.com/image...mb=cpCLpHoH11V
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Old 03-06-2012, 06:25 AM   #6
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Completely plug a duct that is never used but can't be removed?


Thanks, I'll try the cap. Hopefully it will easily fit, since it will be hard to maneuver it at all.

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