copper and steel in contact

Discussion in 'Plumbing Forum, Professional & DIY Advice, Tips & ' started by demetre, Jul 19, 2011.

  1. demetre

    demetre New Member

    Messages:
    2
    Location:
    nyc
    Is it ok for copper water lines to be in contact with steel studs, hangers or bx cable or will it cause future corrosion in the copper?

    Plumbers often put the plastic inserts between copper and steel but sometimes do not do a completely thorough job of it.

    See attached pics from a renovation.

    Attached Files:

  2. Terry

    Terry Administrator Staff Member

    Messages:
    15,011
    Location:
    Bothell, Washington
    I always install so that the copper and the steel do not touch.
    Plumbers UPC tape, plastic wings or inserts, copper unistrut clamps.
  3. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,651
    Location:
    Cave Creek, Arizona
    "Touching" is a problem,but not necessarily the one you think it is. The problem is that the copper is going to move back and forth and the metal will wear a hole in it.
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