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  1. #1
    Join Date
    Mar 2011
    Location
    Montana
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    20

    Default Covering old stovepipe hole

    I am in the process of patching my 1912 plaster bathroom walls in preparation for applying Master of Plaster coating. One corner has a chimney which is no longer in use and is covered over above. There is about a 6 in stovepipe hole with the usual metal hole cover. I would like to fill this in and cover like the rest of the walls. I know I can use a piece of sheetrock, mesh, etc, but am wondering how can I put something in there to stabilize the sheetrock--or is there something better to use? I have a mesh patch which is somewhat reinforced to put over it, but I don't think it is solid enough by itself. Of course the surround is plaster over brick. Suggestions?

  2. #2
    Join Date
    Jun 2007
    Location
    Fayette County, Ohio
    Posts
    5,804

    Default Re: Covering old stovepipe hole

    You can mortar some pieces of brick in the hole first.

    Jack
    Be sure you live your life, because you are a long time dead.-Scottish Proverb

  3. #3
    Join Date
    Mar 2011
    Location
    Montana
    Posts
    20

    Default Re: Covering old stovepipe hole

    No idea how to do that, especially in a 6" round hole.

  4. #4
    Join Date
    Aug 2007
    Posts
    7,084

    Default Re: Covering old stovepipe hole

    As long as the chimney has bee terminated properly, filling in the hole to the room is no problem.

    Install some backer material. If you will be using plaster, I'd go with as large a piece of plywood as you can fit through the hole, follow that up with some wire lath, then layer in the plaster. If you're going to fill the hole with drywall, then a couple of sticks across the hole will suffice, cut your patch and shim stock to flush with wall surface, then tape and mud in with drywall compound.

    Let me reiterate, as long as the chimney has been terminated properly, filling the hole is not a problem.
    I suffer from CDO ... Its like OCD, but in alphabetical order, LIKE IT SHOULD BE!!!

  5. #5
    Join Date
    Mar 2011
    Location
    Montana
    Posts
    20

    Default Re: Covering old stovepipe hole

    Quote Originally Posted by A. Spruce View Post
    As long as the chimney has bee terminated properly, filling in the hole to the room is no problem.

    Install some backer material. If you will be using plaster, I'd go with as large a piece of plywood as you can fit through the hole, follow that up with some wire lath, then layer in the plaster. If you're going to fill the hole with drywall, then a couple of sticks across the hole will suffice, cut your patch and shim stock to flush with wall surface, then tape and mud in with drywall compound.

    Let me reiterate, as long as the chimney has been terminated properly, filling the hole is not a problem.
    Thanks, A.Spruce. I did do this repair about a year ago. I did it almost exactly as you have now suggested, plastered, primed and painted--it looks great. It is nice to know someone thought that's how it should be done!

  6. #6
    Join Date
    Aug 2007
    Posts
    7,084

    Default Re: Covering old stovepipe hole

    Quote Originally Posted by mollywobbles View Post
    Thanks, A.Spruce. I did do this repair about a year ago. I did it almost exactly as you have now suggested, plastered, primed and painted--it looks great. It is nice to know someone thought that's how it should be done!
    W0W! It is not often we get a return response from questions we answer. Thank you, Molly, for taking the time to come back for the update. I am also very happy that we were able to help with your problem. Glad things worked out for you.
    Last edited by A. Spruce; 05-04-2015 at 02:05 AM. Reason: Frick'n censor! -frown-
    I suffer from CDO ... Its like OCD, but in alphabetical order, LIKE IT SHOULD BE!!!

  7. #7
    Join Date
    May 2008
    Location
    Pacific Northwet
    Posts
    1,629

    Default Re: Covering old stovepipe hole

    If there is any chance at all that the chimney will ever be reused as a chimney (such as opening a hole somewhere else to put a stovepipe), then a patch such as this MUST be done with that in mind to preserve the integrity of the chimney.

    However, a chimney as old as your probably will never be suitable for use as a chimney without the installation of a chimney liner, in which case the patch isn't as critical.
    The "Senior Member" designation under my name doesn't mean I know a lot, it just means I talk a lot.I've been a DIYer since I was 12 (thanks, Dad!). I have read several books on various home improvement topics. I do not have any current code books I can refer to. I was an apprentice plumber for two years.

  8. #8
    Join Date
    Jul 2014
    Posts
    48

    Default Re: Covering old stovepipe hole

    Quote Originally Posted by Fencepost View Post
    If there is any chance at all that the chimney will ever be reused as a chimney (such as opening a hole somewhere else to put a stovepipe), then a patch such as this MUST be done with that in mind to preserve the integrity of the chimney.

    However, a chimney as old as your probably will never be suitable for use as a chimney without the installation of a chimney liner, in which case the patch isn't as critical.

    Even if it was lined to be to code the patch would still need to be the full thickness of the brick out of masonry. In this case it probably wont matter but poor patch jobs is one reason we need to scan all chimneys before we line them.

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