HELP! What to do with cast iron(?) shower drain

Discussion in 'Shower & bathtub Forum & Blog' started by timmyers15, Feb 22, 2012.

  1. timmyers15

    timmyers15 New Member

    Messages:
    5
    Location:
    Ohio
    Hi. I'm currently in the middle of tiled shower remodel (shower was built in 1920's). Below is pic of shower drain right now. My question: can the top two pieces (I believe they are called clamping ring and drain barrel?) be removed so the original drain base can still be used with the new shower pan. Spoke with one plumber that wants to cut out all around the drain in the cement subfloor (this is 2nd floor bathroom with no underneath access, BTW) and replace the trap and part of the drain line running into it. This scares me because I'm afraid it will require a long run of the old (presumably) cast iron drain line to also be replaced, and lots of demo in places I don't want demo'ed :)

    Any thoughts, ideas, or advice would be greatly appreciated.

    Tim

    drain2.jpg drain1.jpg
  2. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,519
    Location:
    Cave Creek, Arizona
    Once you remove the concrete from the drain, there should be three or four bolts holding the clamping ring.
  3. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    21,924
    Location:
    New England
    Was that an old lead liner? Not sure you'll get that apart. You need to chip out some more of the old mudbed to expose the drain line and trap. What you see, may not be in good shape, or it could be fine. You don't want to build a new shower on top of it and then discover that the trap and drain line are not in very good shape.
  4. Hackney plumbing

    Hackney plumbing Homeowner

    Messages:
    1,174
    Location:
    Alabama
    Go with the plumber who wants to install the new p-trap and shower drain. If you use a pvc shower liner,make sure you pre-slope the foor before the pvc pan is installed. make sure a water test is done to insure the pan does not leak.
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