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  1. #1
    Join Date
    Mar 2009
    Posts
    1,387

    Default Heating duct ridgid foam and foil board?

    Howdy what is the panels of insulated duct called that is used in commercial buildings? Where can one purchase it. Considering using it instead of metal duct for trunks.

  2. #2
    Join Date
    Jun 2007
    Location
    Fayette County, Ohio
    Posts
    6,116

    Default Re: Heating duct ridgid foam and foil board?

    It was called "fiberglass duct board" when I got mine from Carter Lumber. Be sure to get foil tape also rather than duct tape.
    Jack
    Be sure you live your life, because you are a long time dead.-Scottish Proverb

  3. #3
    Join Date
    Mar 2009
    Posts
    1,387

    Default Re: Heating duct ridgid foam and foil board?

    Howdy thanks thought it would be something much more then that. Wonder is UL tape required? Or the less costly silver tape.

  4. #4
    Join Date
    Jan 2010
    Posts
    163

    Default Re: Heating duct ridgid foam and foil board?

    Quote Originally Posted by Timothy Miller View Post
    Howdy thanks thought it would be something much more then that. Wonder is UL tape required? Or the less costly silver tape.
    The ductboard installation instructions will tell you what kind of tape to use.

    It's also important to size the duct properly. Otherwise the air velocity can be too high and begin to shred off the FG, especially at bends where turbulence happens. Turning vanes are a big help in this regard, as well as the fact that they greatly improve airflow.

  5. #5
    Join Date
    Mar 2009
    Posts
    1,387

    Default Re: Heating duct ridgid foam and foil board?

    Howdy Rdesigns thanks for the suggestions.

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