Plumbers Putty Function under Faucet

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by molo, Sep 29, 2007.

  1. molo

    molo Member

    Messages:
    849
    Location:
    cold new york
    Is the only function of the putty to keep water from getting under the faucet from outside of it?
  2. cwhyu2

    cwhyu2 Consultant

    Messages:
    1,348
    Location:
    Cincinnati OH
    Yes it is!:D
  3. molo

    molo Member

    Messages:
    849
    Location:
    cold new york
    Thought maybe :rolleyes:
  4. Putty is oil based......so unless it's on porcelain I would use a bead of silicone on the outer edge of faucet where it terminates at the top of the sink.
  5. Verdeboy

    Verdeboy In the Trades

    Messages:
    2,051
    The directions often say to wrap plumber's putty around the underside of the faucet, and one plumber I worked with packs the entire area of the underside of the faucet with putty.

    Since faucets generally come with a plastic seal to block water from leaking below, I don't see the need to use putty. I use the clear silicone that Rugged mentioned, but only if the plastic seal isn't working.
  6. Cass

    Cass Plumber

    Messages:
    5,980
    Location:
    Ohio
    Putty is much easier to remove than silicone so I will only use putty unless is is a surface that putty can't be used on.
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