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  1. #1
    Join Date
    Sep 2008
    Location
    so so, California
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    1,855

    Default Vertical firestop

    Anyone know when vertical fire stop is necessary or under what conditions?

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  2. #2
    Join Date
    Mar 2007
    Location
    Ormond Beach, Florida
    Posts
    27,354

    Default Re: Vertical firestop

    In a residential building fireblocking (versus firestopping) is required, in concealed spaces (which includes stud cavities in walls) vertically at floors and ceilings, and very 10 feet horizontally in vertical walls.

    Draftstopping is required horizontally, in concealed spaces (such as floor/ceiling assemblies) every so many hundred square feet (I am drawing a blank on the number).

    I suspect that you are referring to enclosing that chimney in a vertical chase, but it should be fireblocked at the ceiling level to the attic, so no chase would be required.

    Presuming that local code or CA codes don't have specific requirements for that.

    Jerry Peck
    Construction Litigation Consultant ( www.ConstructionLitigationConsultants.com )
    www.AskCodeMan.com

  3. #3
    Join Date
    Sep 2008
    Location
    so so, California
    Posts
    1,855

    Default Re: Vertical firestop

    Thank you sir..


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