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Old 12-17-2007, 10:04 AM   #1
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Leaking around joint of PVC pipes in attic


I had a high efficiency furnace installed in my garage 5 years ago (it's the only place the furnace could be placed). It's a pain and wish I'd never had it installed. Currently I have buckets collecting the condensation that is oozing out around the joints in the PVC pipes in my attic. The installer is coming out today to fix it but I'm concerned that it will just be a quick patch job and not corrected. My question is, if the installer just slaps on more sealant over the old, now wet, sealant, will it really seal? And even if the old sealant is removed, the pipe is still going to be wet and I don't see how a proper seal can be achieved. In my mind the two pipes need to be taken apart and sealant put in around the joint - but that's not going to happen. Is it possible this was never done right in the first place? Will I have to have the pipes resealed every couple years to prevent this from recurring?

(Sorry for the double posting as I also posted under introductions - I didn't know how to post here at first)

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Old 12-17-2007, 12:06 PM   #2
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Leaking around joint of PVC pipes in attic


Can you post a photo of the pipes?

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Old 12-17-2007, 12:33 PM   #3
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Leaking around joint of PVC pipes in attic


The service guy just came out and informed me the installer (5 years ago) had not glued the pipes together but only slathered some clear sealant around the joint. He peeled off the sealant and popped the pipes apart and glued them. But it's still leaking so now he says the glued section will have to be cut out and new pipe installed. And the company is trying to tell me this is not covered under warranty because it's been 5 years. My attic floor is already covered with water so I have no choice but to have it done.

I can get a picture up tonight maybe.
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Old 12-17-2007, 02:03 PM   #4
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Leaking around joint of PVC pipes in attic


So the installer is admitting to improper installation, but won't cover it because it's been 5 years. That's bad business. If it wasn't right from day 1 that's their fault, not yours. You shouldn't have to pay when they're the ones who made a mistake, or cut corners. If they're going to charge you send your money elsewhere to a business who cares about their reputation.
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Old 12-17-2007, 03:12 PM   #5
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Leaking around joint of PVC pipes in attic


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Originally Posted by themadcatter View Post
The service guy just came out and informed me the installer (5 years ago) had not glued the pipes together but only slathered some clear sealant around the joint. He peeled off the sealant and popped the pipes apart and glued them. But it's still leaking so now he says the glued section will have to be cut out and new pipe installed. And the company is trying to tell me this is not covered under warranty because it's been 5 years. My attic floor is already covered with water so I have no choice but to have it done.

I can get a picture up tonight maybe.
I don't know how much PVC piping is involved but that doesn't sound like a major job to do right. Of course, the water damage is another thing. That's probably why the original contractor is now trying to duck responsibility.
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Old 12-17-2007, 05:14 PM   #6
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Leaking around joint of PVC pipes in attic


Once it's glue right it should last a lifetime. BTW, you do have a condensate drain line coming off this vent pipe near the bottom don't you?
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Old 12-17-2007, 08:05 PM   #7
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Leaking around joint of PVC pipes in attic


Get them to give you a written estimate and have them state the reason for the repair. Then take that to your attorney to get satisfaction from the original installer. Don't tell anyone why you want this written into the estimate or they may not do it. If they are hungry enough they will do it.
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Old 12-18-2007, 09:54 AM   #8
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Leaking around joint of PVC pipes in attic


When doing PVC pipes they need to havc primer put on first and then the glue. The only way to repair the pipes you have now is to cut out the bad joints and have them replaced. If your pipes are in the attic, are they insulated. Going through a unconditioned space the exaust at least needs to be insulated. Otherwise the pipes will condensate and that could also look like a leak. Read the install manual on what needs to be done in a unconditioned space
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Old 12-18-2007, 10:02 AM   #9
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Leaking around joint of PVC pipes in attic


I have seen many plumbers and installers cut PVC pipe and glue joints together without using any primer first. Don't know if that's the recommended protocol.
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Old 12-18-2007, 10:20 AM   #10
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Leaking around joint of PVC pipes in attic


Irishking, Those are not plumbers.
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Old 12-18-2007, 10:29 AM   #11
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Leaking around joint of PVC pipes in attic


Prime both, glue both, rotate then set. No brainer for a perfect joint.

I too have seen so called professionals not do it this way. I go to their bosses and let them know the caliber of the people they have in their employ. I have over 350 irrigation heads in my yard, I have spent the past 15 years fixing all that was done before I bought this place.

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