Water sweating from copper pipes!


  #1  
Old 06-13-05, 01:26 PM
lucrob
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Thumbs down Water sweating from copper pipes!

My 65 year old house has copper plumbing and during the hot season I have noticed that copper pipes in my basement sweat so much that they actually drip! Unfortunately the dripping is all over items in my storage closet and laundry room where the pipes are exposed.

Any suggestions for how I can eliminate this problem? I was thinking maybe install those foam pipe insulators. Any idea if those would work? The less expensive solution the better.
 
  #2  
Old 06-13-05, 02:22 PM
wa2go
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No sweat

The sweat is the water (from the humidity in the air) condensing on the cold pipes. Have you tried installing a dehumidifier in that space?
 
  #3  
Old 06-13-05, 08:54 PM
lucrob
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I have been running my dehumidifer for the last 5 days or so. It hasn't made a significant improvement in the situation but it is a little better. The sweating pipes also run through some storage closets that were built and it is impossible for me to put the dehumidifer in there.

I read somewhere else that I should insulate the pipes and that will take care of the problem?
 
  #4  
Old 06-14-05, 12:45 AM
majakdragon's Avatar
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The foam (Armaflex) insulation should do the trick. Just make sure that when you do the elbows, you get a good glue seal and fit on them. Anywhere there is air leaking in, it will still sweat. Good luck with your project.
 
  #5  
Old 07-05-05, 01:10 PM
countrymac
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Majakdragon,
I have the same problem. Can I use the Armaflex for the elbows and the stiffer, cheaper foam for the straight runs? (I'm cheap) . How would you recommend joining the ends? The guy at Home Depot told me to use duct tape but he seemed to be a couple fries short of a happy meal. Anyone feel free to chime in here. Thanks,

Countrymac
 
  #6  
Old 07-05-05, 11:09 PM
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Countrymac, If you are going with a different type insulation make sure it is waterproof. No matter what is used, you just cut the end at a 45 angle to make an ell. Then use an adhesive that will seal it such as a rubber cement. Then use the duct tape over that. Good luck.
 
  #7  
Old 07-06-05, 06:35 AM
countrymac
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Rubber cement it is. Thanks for the help Majakdragon.
 
 

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