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What's the code???

Post in 'The Hearth Room - Wood Stoves and Fireplaces' started by sweeper, May 10, 2006.

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  1. sweeper Member

    joined: Mar 5, 2006
    14 posts
    North Central Pa.
    had a customer today ask if they could build a chase around an existing lined exterior chimney. The chimney has a flagstone veneer applied to the outside and it is deteriorating
    sweeper, May 10, 2006
    #1

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  2. MountainStoveGuy New Member

    joined: Jan 23, 2006
    3,629 posts
    Northern Colorado Mountains
    shure, why not? the liner inside the flue which is inside the chase is well away from any finished materials.
    MountainStoveGuy, May 10, 2006
    #2

  3. Shane Minister of Fire

    joined: Nov 21, 2005
    1,830 posts
    Casper Wyoming
    Remember if using combustibles to build the chase it will require a 2" clearance. Of course that depends on the AHJ. NFPA211-21 "Minimum air space 7.3.1.5.1 Clearances shall be based on good engineering practice and acceptable to the AHJ."
    Shane, May 10, 2006
    #3
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