Joining Corrugated Pipe
#1
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Joining Corrugated Pipe
How do I join two pieces of 4 inch corrugated drain pipe and have the joint leak free? I bought the outside coupler to join them and it leaked like crazy, then I found an inside the pipe coupler and tried that but it still leaks.
#2
Corrugated pipe won't be, and wasn't meant to be "leak free". It just directs water to a lower location. If you need a leak free joint, you may should have used PVC. If you are laying this in a gravel bed, and will be covering it, the leak won't be a big problem.