Old 05-19-2013, 09:41 PM
moreira85 moreira85 is offline
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Corrugated pipe

Quick question. Just about to complete my job on burying my own downspouts. I used corrugated pipe. Ran it 200 ft to the woods and day lighted it there. I know PVC works best but based on the length I went with corrugated. I had to use an NDS y connector about 130 feet away from the house. I noticed when I ran water through it to test it I get a small drip out of the y connector. Is there anyway to seal these connectors? I ended up calking it and duct taping them then back filled the area around the fitting with crushed stone.
I have one more of these y connectors and looking for a better way like possibly roofing cement?
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Old 05-20-2013, 08:11 AM
AGLA AGLA is online now
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You could mix half a bag of concrete and fill around it.
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Old 05-20-2013, 09:12 AM
Stillwater Stillwater is offline
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Don't worry about it those connections are not water tight
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Old 05-20-2013, 09:57 PM
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Dually00-00 Dually00-00 is offline
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If you want water tight pipe try sch/20 pvc next time.
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Old 05-21-2013, 11:35 AM
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gusbuster gusbuster is offline
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I'm sure you have a reason, but even if the joint leaked, why does it matter?

I ask this question because if its used to move water away from your home, that means it's raining and the surrounding ground will be wet from that.

So unless you're worried about washout, Why worry about the leak?
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Old 07-14-2013, 11:33 PM
TruSomethingOrOther TruSomethingOrOther is offline
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Corrugated pipe is not meant to be sealed before backfilled. I did a ton of research on this during my last irrigation job. Once the trench is backfilled, the compaction is suppose to create the seal. I used 9x9 drain basins last time, and used blackjack roofing tar to create a water tight seal before backfilling the trench (for testing purposes).
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