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Connecting corrugated pipes and fittings - do you tape it?

Connecting corrugated pipes and fittings - do you tape it?

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  #1  
Old 10-18-15, 11:58 AM
B
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Connecting corrugated pipes and fittings - do you tape it?

I'm working on connecting a downspout to an existing corrugated landscape drainage line. I've digged out the existing line, and found a Y. I'll add another Y here, and connect the new branch to the downspout. But I noticed that there is some gray tape wrapped around every existing join:

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- When I'm building the new connections, do I have to similarly wrap the join with tape?
- What type of tape is it, what is it called?
- I have some filter fabric (used for a french drain). Is it a good idea to wrap the join in the filter fabric?
- Or just snap the corrugated pipes into the fittings and call it done?

Thanks,
Balint
 
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  #2  
Old 10-18-15, 12:12 PM
J
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Use the right pipe and it just screws right in to the Y.
That gray tape is duct tape and never should been used.
Not sure what material they used for that pipe on the left.
It should have been black.
 
  #3  
Old 10-18-15, 06:30 PM
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Do you see the little nubs inside the Y fitting? Using the correct size of corrugated pipe the nubs will snap into the grooves and hold the pipe enough to allow you to backfill. Once buried the chances of it coming apart are nil.

I also have some corrugated drain piping with cloth duct tape holding it together. In my opinion it was taped by someone that didn't have a clue as to what they were doing. The ONLY reason I can see for the tape is to prevent soil or tree roots entering at the joints OR, if the piping is installed incorrectly it might keep the water from leaking out at the joints. Problem is, that tape will deteriorate in just a few years.
 
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