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  1. #1
    Join Date
    Jul 2007
    Location
    Rescue, Ca.
    Posts
    48

    Default Vent termination

    Can anyone tell me how high the plumbing vents should terminate above a flat roof in snow country? I have not inspected the home yet so I can't say yet how high they are, and the IRC book doesn't give a definate answer. P3103.1 Roof extensions

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  2. #2
    Join Date
    Mar 2007
    Location
    Ormond Beach, Florida
    Posts
    25,304

    Default Re: Vent termination

    Quote Originally Posted by Dave Gilstrap View Post
    flat roof in snow country
    Is that a good idea?

    You need to check with your local AHJ.

    6" is the minimum height above a roof, then the AHJ adds to that so the vent will be above snow height - at least the AHJ *should* add to that.

    Jerry Peck, Construction / Litigation Consultant
    Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )
    www.AskCodeMan.com

  3. #3
    Join Date
    Apr 2007
    Location
    state of jefferson
    Posts
    520

    Default Re: Vent termination

    dave,
    906.7 calif. plumb. code frost or snow closure "vent terminals shall be a minimum of two inches in diameter but in no event smaller than the required vent pipe.. thechange in diameter shall be made inside the building at least one foot below the roof in an insulated space and terminate not less than 10 inchesabove the roof ,or as required by the ahj.


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