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  1. #1

    Mastic Sealant On Top of Foiled Tape?

    Is it proper to put mastic sealant on top of foiled tape in HVAC duct installation?

  2. #2
    Join Date
    Feb 2004
    Location
    chicago suburbs
    Posts
    4,422
    sure
    FILL OUT YOUR PROFILE!!

  3. #3
    Join Date
    Dec 2007
    Location
    Soudern Kal-e-phone-e-ya
    Posts
    276
    maybe a bit un-orthodox, but I dont see a problem with it. That will REALLY seal it up good!

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