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  1. #1
    Join Date
    Mar 2008
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    Charlotte NC
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    Default Cracks in mortor joints.

    1941 House with wood burning fireplace. Very limited view of the flue from the fireplace and no view from the roof. Only these small cracks in the chimney, about 5 - 6' down from the top and only on one side. Could this have been cause by a chimney fire, or is it typical cracking? Should I call for further inspection?

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    Last edited by Vern Heiler; 07-19-2010 at 07:31 PM. Reason: did you know you can't edit the title?
    Inspection Referral SOC
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  2. #2
    Join Date
    Mar 2007
    Location
    Lake Barrington, IL
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    1,363

    Default Re: Cracks in mortor joints.

    In my area we experience sub-freezing temps and that's bad news for chimneys that have separations in the mortar. I always report the condition and recommend repair.

    Eric Barker, ACI
    Lake Barrington, IL

  3. #3
    Join Date
    Feb 2009
    Location
    Southern Vancouver Island
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    4,549

    Default Re: Cracks in mortor joints.

    I will call out any wood-burning fireplace and chimney, and certainly a chimney that age needs a thorough inspection by a specialist. It may be brick-lined, cracked inside as well.
    Hard to say why the crack is there, but good you picked it up.

    If they plan to burn wood, they could have a metal liner and an airtight insert installed.

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    Last edited by John Kogel; 07-19-2010 at 09:15 PM.
    John Kogel, RHI, BC HI Lic #47455
    www.allsafehome.ca

  4. #4
    Join Date
    Mar 2007
    Location
    Connecticut
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    1,828

    Default Re: Cracks in mortor joints.

    Did you look down the flue?
    Are the flashings above at the roof connection to the chimney leaking and causing water to enter behind the brick and freeze.
    That's my guess from the pic.


  5. #5
    Join Date
    Mar 2008
    Location
    Charlotte NC
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    Default Re: Cracks in mortor joints.

    Quote Originally Posted by wayne soper View Post
    Did you look down the flue?
    Are the flashings above at the roof connection to the chimney leaking and causing water to enter behind the brick and freeze.
    That's my guess from the pic.
    Chimney height and rain cap prevented looking down, smoke chamber angle prevented good view looking up! Flashing is new and looks in good condition. Cracks are on the far side from the wall/roof connection.

    I'm going to recommend further inspection and repair of the cracks just to be safe.

    The beatings will continue until morale has improved. mgt.

  6. #6
    Join Date
    Feb 2008
    Location
    Caledon, Ontario
    Posts
    5,005

    Default Re: Cracks in mortor joints.

    Could be the result of subsidence of the chimney footing.


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