Accessory Chimney Opening in Kitchen that is now closed off.

jadz Posted By jadz, Feb 8, 2008 at 3:09 AM

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  1. jadz

    jadz
    New Member

    Feb 8, 2008
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    Loc:
    Nova Scotia
    Hello everyone! My first post.

    I have just purchased my first home which has a two flue chimney. I pan on putting an insert into the Fireplace, which is one one flue. The second flue is connected to the oil furnace in the basement, but also has a 'thimble' (?) opening in the kitchen which has since had a metal cap put on it. I assume this would have been for a kitchen stove at one point?

    I am wondering what the proper way to seal up the opening would be?
     

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  2. moondoggy

    moondoggy
    New Member

    Oct 29, 2007
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    Loc:
    Long Island NY
    i think what your asking about is called a flue stop. or at least that is the easiest way to do it:

    http://www.sandhillwholesale.com/woodcoal-stove-accessories-brass-trim-collars-flue-stops-c-21_199.html?osCsid=e976842dbe9aae1a73a0220d909506df

    http://www.acehardware.com/sm-imperial-flue-stop-bm0353--pi-1274074.html

    considering where it is, you may want to silicone it in.

    for come extra work.. i'd probably cut a circile of sheetmetal, leaving 3-4 tabs to help wedge/attachit in closer to the furnace flue, then attach on of the above items for neatness.
     
  3. Corie

    Corie
    Minister of Fire

    Nov 18, 2005
    2,430
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    Loc:
    Halifax, VA
    Not to step on toes here, but there is a much better and safer product than those for this purpose.


    http://www.kschimney.com/store/product.php?pid=213


    Insert, tighten screw and the flue is sealed air-tight and insulated from the dwelling. Eliminates the need to furnace cement a flue stop in and is definitely going to seal better.
     
  4. moondoggy

    moondoggy
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    Oct 29, 2007
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    man, you can step on my toes any day. you the man.
    (i was searching for something to answer his post, and bored at work, knew there had to be a better answer).
     
  5. jadz

    jadz
    New Member

    Feb 8, 2008
    2
    0
    Loc:
    Nova Scotia
    I was actually thinking that it might be good to block the opening to the thimble at the flue, as it currently acts as a bit of a shelf that debris can build up on (which after re-reading moondogs post is what he was suggesting too).

    When I took of the cover that is there now (made of galvanized metal) there was some buildup in the opening.
     
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