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Thread: PVC vs Poly pipe around big trees

  1. #1
    DIY Junior Member leak_chaser's Avatar
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    Default PVC vs Poly pipe around big trees

    Which will stand up better to big tree roots?

    Thanks.

  2. #2
    Moderator & Master Plumber hj's Avatar
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    Actually, maybe neither, because the biggest problem is usually the roots growing around the pipe and "choking" it. ANY plastic pipe can be squeezed closed by roots.
    Licensed residential and commercial plumber

  3. #3
    In the Trades Wrenched's Avatar
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    Big trees and plumbing generally tend to not get along.

    PVC piping has less give than Poly so will tend to crack slightly sooner.

  4. #4
    Sprinkler Guy Wet_Boots's Avatar
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    If you really want to run a house supply past shallow tree roots, you would start at sch 40 PVC and work up from there. Poly pipe is not to be considered.

    To be really really conservative about it, you could even go with galvanized steel serving as a pull sleeve to encase plastic tubing.

  5. #5
    DIY Senior Member craigpump's Avatar
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    We sleeve poly all the time up here through 4" sch 40 PVC when we have a real rocky trench and under driveways. The stuff is damn near indestructible. Lay your 4" in the trench, glue it together, tape a golf ball to the nose of the poly & shove it in.

    All done.

  6. #6
    Moderator & Master Plumber hj's Avatar
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    quote; The stuff is damn near indestructible.

    Maybe, usually, but I had a friend who had a sewer of it and the trees squeezed the pipe closed.
    Licensed residential and commercial plumber

  7. #7
    DIY Senior Member craigpump's Avatar
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    Really? A picture of that would make quite the conversation piece

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