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wiz561 08-05-2011 02:05 PM

New pipewrap on cold ac line

Before I go about doing this, I thought I'd ask the pro's. How can I add more (or new) pipewrap on the cold AC line outside?

I was out there the other day, and the foam pipewrap that came with the house is soaking wet with water, and it had a couple tears in it. I was thinking of replacing it with a rubber coated one. Before I do this, I wanted to check with people here to see what their thoughts are. Is there a better way to do this? Should I remove the old one and put the new rubber one on? Put the new one over the old one? If I use a rubber one, will water be trapped and cause rusting (oxidizing) on the copper line and cause a leak?


gregzoll 08-05-2011 02:47 PM

It is the same that is used to insulate hot & cold water pipes.

thehvacguy 08-05-2011 03:23 PM

Take off the old insulation, and put new insulation on. Its called rubatex (I think that's how you spell it...) once you replace the insulation there will not be water there anymore. The pipe condinsates for the same reason a soda can does. Once you cover it with insulation then the warm air wont be touching the cold pipe. You can use electrical tape on the ends of the rubatex to secure it, and it looks halfway decent

wiz561 08-07-2011 11:04 AM

thanks for the information! I will be doing this probably next weekend or during the week. :)

yuri 08-07-2011 12:49 PM

AKA "Armaflex".

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