rough plumbing for shower isn't quite 'plumb'

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by LiamM, Oct 19, 2007.

  1. LiamM

    LiamM New Member

    Dec 13, 2006

    I'm renovating a bathroom as part of a larger rehab project, and I'm nearing the final phases. I've hired out the plumbing and electrical, but I'm attempting to do the other aspects. I've installed a new fiberglass tub and 3-piece shower surround, and the plumber has installed the rough plumbing.

    However, the plumbing for the shower isn't quite kind of leans forward; that is, up top near the shower head is OK, but there's about a 1/2" - 3/4" gap at the bottom between the back of the shower wall and the face of the shower valve. I would have to force it forward (or I assume, screwing on the escutcheon would force it forward), and then secure it to wood blocking between the studs.

    The problem is compounded since I have since gone with a new plumber for the final plumbing (and I didn't find the gap until after the old plumber and I had parted ways).

    Should I have the new plumber re-pipe things to make them plumb and flush? Or would it be OK to move it forward to close the gap and secure it in place? I'm not sure if that would be placing a lot/too much stress on the piping.

    Thanks for any advice
  2. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Sep 2, 2004
    Retired Systems engineer for defense industry.
    New England
    If the valve's position is within the allowances so that the trim will be able to be installed, just consider blocking the valve where it is. It doesn't have to be tight to the enclosure wall, but it should be anchored to something solid. In other words, if you can attach the trim, just make the thing firm. Most valves have maybe 3/4" or so of play in depth where the trim will still work.
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  4. hj

    hj Moderator & Master Plumber Staff Member

    Aug 31, 2004
    Cave Creek, Arizona

    If the valve is too deep for the regular trim, most manufacturers make a "deep installation" trim adapter to make it work.
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