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Patching hole in chimney

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TomS
TomS Member Posts: 66
in THE MAIN WALL
After removing a 4 or 6 inch galv flue pipe from a chimney what is the best method to patch up the hole if another appliance is not going to be connected at that point. Assume that the furnace and hot water heater will remain connected at a point lower than the removed flu pipe.

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  • kcopp
    kcopp Member Posts: 4,630
    a sheetmetal plug.....

    and a seal w/ some furnace cement should do the trick....
  • icesailor
    icesailor Member Posts: 7,260
    Patching Chimneys:

    Brick and Mortar.
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