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Discussion Forum

Capping Unused Flue Liner

Chazz | Posted in Construction Techniques on October 24, 2008 10:14am

Hi, guys & gals:

Good to read everyone’s posts often; I’m mostly retired from building now.  I have a problem to take care of on my own house, that I have no expreience with, and wondered how people would do.  Problem: chimney flue no longer in use, since direct-vent gas furnace installed; when it rains, drips out in the basement.  Flue liner is standard square tile 81/2 ” outside across.   Any ideas on the best way to cap it would be appreciated.

Thanks-

Chazz


Edited 10/24/2008 3:47 pm ET by Chazz

Reply

Replies

  1. BoJangles | Oct 25, 2008 12:08am | #1

    My preferred method is to tear it down to below the roof line and patch the roof.  That way you have no more chimney maintenance and should anyone be crazy enough to use it again, it's there to use with a little reconstruction.

  2. Piffin | Oct 25, 2008 12:10am | #2

    Often have a sheet metal cap made for it.

     

     

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  3. User avater
    Sphere | Oct 25, 2008 12:21am | #3

    Email this guy.

    http://www.grantlogan.net.

    Spheramid Enterprises Architectural Woodworks

    Repairs, Remodeling, Restorations

     

    They kill Prophets, for Profits.

    http://www.youtube.com/watch?v=Dj_oEx4-Mc4

     

  4. User avater
    Dinosaur | Oct 25, 2008 12:37am | #4

    Sheet metal cap, as Piffin said. If Grant can't make one for you, just give your local tin fabricator the outside dimensions of the flue pipe where it extends up through the chimney. It's not a big deal.

    I would not tear it down below the roof unless there are other compelling reasons to do so. Doing so would be relatively costly, and, more to the point, if it's needed again in the future, rebuilding it will be even moreso.

    Dinosaur

    How now, Mighty Sauron, that thou art not brought
    low by this? For thine evil pales before that which
    foolish men call Justice....

    1. Chazz | Oct 25, 2008 02:44am | #5

      Thanks to all who replied; metal cap is what I thought would work best.  There's a good fabricator right near me who I'm sure can do the job.

      Have a good weekend, all!

      Chazz

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