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Open Roads Forum  >  General RVing Issues

 > Pinhole leak in pex piping...how do I patch it?

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LoudRam

Williamstown, NJ

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Posted: 05/19/11 04:29pm Link  |  Print  |  Notify Moderator

As the title says I have a pinhole leak in my water line going to my toilet. It's about an inch or two belew the floor so I can reach it by pulling excess pipe up. How can I patch that? I bought some JB Weld "Kwik Plastic" putty but it says that it won't stick to polyethylene. Any suggestions?


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BillArf

NY and Florida

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Posted: 05/19/11 04:38pm Link  |  Print  |  Notify Moderator

Self bonding silicone tape. There are various brands. Do a Google search for info. Marine stores for one sell it.. "Marine silicone tape"
You can also cut the pipe at the leak and then rejoin with a pex fitting. This is easy to do and preferred repair.





LarryJM

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Posted: 05/19/11 04:56pm Link  |  Print  |  Notify Moderator

Rick From Sequim wrote:

I'd try a hose clamp over a piece of tubber, like a tire patch or a piece of tube. Slip the rubber over the hole and tighten the hose clamp over the rubber. Works like a charm on pvc as well, no tools required except a screw driver.


That is what I would use if you can get the hose clamp (use all S/S and note some have just a S/S band and regular screw so use an all S/S) back down thru the hole in the floor. For the rubber you could also use some of the clear vinyl tubing split since it's on the cold water side.

Larry


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hershey

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Posted: 05/19/11 05:02pm Link  |  Print  |  Notify Moderator

There is a tape available at Lowes that is a fix-all tape. It stretches around the pipe or hose with a hole and bonds to itself. That and a hose clamp to help you sleep better might work unless you have enough room to use a splice made for that job.


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SooperDaddy

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Posted: 05/19/11 04:39pm Link  |  Print  |  Notify Moderator

PEX Repair


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Rick From Sequim

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Posted: 05/19/11 04:48pm Link  |  Print  |  Notify Moderator

I'd try a hose clamp over a piece of tubber, like a tire patch or a piece of tube. Slip the rubber over the hole and tighten the hose clamp over the rubber. Works like a charm on pvc as well, no tools required except a screw driver.


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LoudRam

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Posted: 05/19/11 05:05pm Link  |  Print  |  Notify Moderator

Those are all some great ideas. Thanks. I like having a lot of options.

BillArf

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Posted: 05/19/11 05:10pm Link  |  Print  |  Notify Moderator

hershey wrote:

There is a tape available at Lowes that is a fix-all tape. It stretches around the pipe or hose with a hole and bonds to itself. That and a hose clamp to help you sleep better might work unless you have enough room to use a splice made for that job.


Self bonding silicone tape. There are various brands. Can be had at Lowes as you mention.

No need for a hose clamp if you use this tape.

YC 1

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Posted: 05/19/11 05:12pm Link  |  Print  |  Notify Moderator

fordsooperdooty wrote:

PEX Repair


Ditto:

Get an inline splice for $6 at an rv or plumbing outlet and be done with it. There can be a lot of pressure in that line and chasing a leak will drive you crazy. The inline splices have worked very well for me. If you can put the ends of the hose in hot water they are easier to get on.


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LoudRam

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Posted: 05/19/11 05:21pm Link  |  Print  |  Notify Moderator

Home Depot has that silicone tape too. I think I'm going to try that. It says it gives a permanent watertight seal. I rather not have a splice under the floor. That will be a last resort. Thanks again everyone. As usual you guys are a huge help.

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