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  1. #1
    Join Date
    Jan 2013
    Posts
    4

    Default Ductwork insulation application?

    I am preparing to add insulation to my hot air/air-conditioning and would like to know if the aluminum face attaches to the ductwork or whether it is installed with the aluminum on the outside?
    Thank you

  2. #2
    Join Date
    Dec 2010
    Location
    Houston Texas
    Posts
    2,969

    Default Re: Ductwork insulation application?

    Flexible or rigid ? What does the manufacturer say?

  3. #3
    Join Date
    Dec 2007
    Location
    Tennessee
    Posts
    1,730

    Default Re: Ductwork insulation application?

    Seal the ducts completely first. Then the aluminum foil goes on the outside, taped with foil tape.

  4. #4
    Join Date
    Jan 2013
    Posts
    4

    Default Re: Ductwork insulation application?

    Thanks Keith, much appreciated.

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