Roof Penetrations

Discussion in 'Remodel Forum & Blog' started by molo, Jan 23, 2007.

  1. molo

    molo Member

    Messages:
    844
    Location:
    cold new york
    Roof Penetration for Tank Vent and bathroom vent:

    Hello all,
    I will be running a hot water tank vent pipe through the roof.
    Can anyone recommend the best way to make this transition while maintaining fire safety and water tightness?
    Note: I have seen the collar sleeve things that go over the vent, But I am wondering how a watertight seal is achieved between the top of the collar and where it contacts the vent. Is a high-temperature caulk used to accomplish this?

    Also, am doing a bathroom vent and would like to know the best way to make a leak proof penetration.
    TIA,
    Molo
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