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Thread: stovepipe roof leak

  1. #1
    Scientist jeremytl's Avatar
    Join Date
    Jan 2007
    Location
    durham, nc
    Posts
    82

    Default stovepipe roof leak

    Hi,
    I have a wood stove in my shed that has a 10" insulated stove pipe coming up through the roof with an internal 6 inch pipe serving as the "chimney". The roof is leaking around it. I tried to patch it with roof repair, black asphalt caulk and of course the heat of the stove pipe ruined it. Is there any way to fix it without tearing up the shingles and re-doing the whole set-up? Thanks for any advice.

    Jeremy

  2. #2
    DIY Junior Member
    Join Date
    Nov 2009
    Location
    Northwest
    Posts
    1

    Default

    High temp sealant! Flashing's up-ward leg needs to be under the roofing material. Possible leak above the pipe and is working it's way down (colder weather, wood fire- path of least resistence) excessive flue temp could be ruining the shingles above (very dangerous). What kind of wood stove is it? Is it single, double, or triple wall?

  3. #3
    DIY Senior Member Hube's Avatar
    Join Date
    Sep 2004
    Location
    Ontario
    Posts
    156

    Default

    The original installation should have had a flashing which consists of a flat metal base with a larger diameter sleeve attached to it .The upper part of this base flashing goes under the shingles. .The large diameter sleeve will surround the stove pipe and have a weather skirt attached. This weather skirt would have the only caulking that would be necessary with this type of proper flashing.
    I know it will be a bit of work to change it over to this proper method, but it will be much safer and weather tight for years to come.

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