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  1. #1
    Join Date
    Jun 2008
    Posts
    1

    Default Sealing Duct work

    I saw on ATOL a guy doing an energy audit where he found leaks in the duct work and sealed it with mastic. Do you know where or who carries/sells mastic that I can us to seal my duct work with? I can't find the product in any store and the clerks think I'm nuts.

  2. #2
    Join Date
    Aug 2007
    Posts
    612

    Default Re: Sealing Duct work

    Big box stores in our area have "tape" that is used to seal ductwork. It is not duct tape. The type I have used is foil backed.

  3. #3
    Join Date
    Nov 2007
    Posts
    980

    Default Re: Sealing Duct work

    the problem is not everyone who works at the stores knows the proper names for certain products. just ask for duct sealent that you brush on.

  4. #4
    Join Date
    Aug 2007
    Location
    Denver, CO
    Posts
    666

    Default Re: Sealing Duct work

    Referred to by commercial, professional tin bangers across the nation as “Pooky”. ............. Really.

    You might try a commercial duct supply place if you do not want to buy on-line.

    http://insulmation.stores.yahoo.net/ductsealant.html

  5. #5
    Join Date
    Aug 2007
    Location
    The Great White North
    Posts
    4,045

    Default Re: Sealing Duct work

    Or you can silicone caulk as well.
    "" an ounce of perception -- a pound of obscure "
    - Rush

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