Roof Penetration for Tank Vent

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by molo, Jan 21, 2007.

  1. molo

    molo Member

    Joined:
    Sep 23, 2006
    Location:
    Cold New York
    Roof Penetration for Tank Vent:

    Hello all,
    I will be running a hot water tank vent pipe through the roof.
    Can anyone reccomend the best way to make this transition while maintaining fire safety and water tightness?

    TIA,
    Molo
     
  2. jimbo

    jimbo Plumber

    Joined:
    Aug 31, 2004
    Location:
    San Diego
    This should be done with double wall b-vent which requires 1" min clearance to combustiblematerial. There are fittings available from this to provide the clearance and flash the penetration, also a cap for the top of the pipe.
     
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