repair of 4-inch clay sewer

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by ed fox, Oct 1, 2004.

  1. ed fox

    ed fox New Member

    Messages:
    1
    Im searching for the best type of coupling for joining 4-inch clay pipe to 4-inch PVC. My primary concern is root penetration. Is a Trifluralin impregnated coupling available?
  2. LonnythePlumber

    LonnythePlumber Plumber, Contractor, Attorney

    Messages:
    319
    Location:
    Wichita, Kansas
    Herbicide

    I've not heard of a herbicide impregnated rubber coupling. You're still going to have clay that will have to be replaced anyway.
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