How To Fix A BIGGER Hole In A Cast Iron Pipe?! - Plumbing - DIY Home Improvement | DIYChatroom


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Old 12-08-2008, 12:07 AM   #1
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How to fix a BIGGER hole in a cast iron pipe?!


I have a hole in a pipe that needs to be fixed asap. It's about the size of a nickel. The pipe is under the kitchen sink and the hole is on the inside of the bend on an elbow piece. I would just replace the pipe but the other end goes straight through the back of the cabinet and disappears into the wall. No $$$ for a plumber right now, finances are thin due to holidays so it's not an option. If anybody has any ideas i'd appreciate it. Thanks.

- Jeremy

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Old 12-08-2008, 08:27 AM   #2
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How to fix a BIGGER hole in a cast iron pipe?!


Can you cut out the damaged piece and put a rubber piece in its place?

Otherwise..Maybe you can temp fix it with some type of epoxy, JB Weld etc.

If the hole seems too large, maybe cover it with something, then JB weld over the whole thing. Kwik JB weld works faster, and seems to be about as good.

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Old 12-08-2008, 12:06 PM   #3
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How to fix a BIGGER hole in a cast iron pipe?!


Most likely, right inside that wall is a tee. The pipe is probably galvanized steel since you said it has a hole in it. All around that hole is thin metal waiting to break through and make the hole bigger. Anything you do as far as a repair will be temporary and you may even crush the pipe if you uae clamps. Try getting a look just inside the wall. If the tee is there, it should not be a hard job to unscrew the pipe and replace it. You could even go with a PVC adapter and change to plastic instead of metal.
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Old 12-08-2008, 01:12 PM   #4
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How to fix a BIGGER hole in a cast iron pipe?!


If it's cast iron the I would cut it on either side of the elbow and replace the bad section with rubber. You can get a rubber piece in advance from a hardware store and then use it as a guide for how much to cut. It's not to had to cut cast iron with a sawzall. Just takes time. The rubber will then slip over the iron and clamp tight.

Going to the T can cause a problem as they are often times put together with lead type packing and not so easy to replace.
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