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  1. #1
    Join Date
    Jul 2004
    Posts
    4

    Question

    Does anyone know of a website that instructs ductboard cutting techniques...90's and 45's,offsets,and transistions? Thanks for reading.

  2. #2
    Join Date
    Apr 2002
    Posts
    11,808
    maybe see what info owens corning, mansville and knauf offer
    The way we build has a greater impact on our comfort, energy consumption and IAQ than any HVAC system we install.

    http://www.ductstrap.com/

  3. #3
    Join Date
    Nov 2001
    Location
    Port Saint Lucie, FL
    Posts
    1,594
    I have a sheet at the office with the instructions and offset calculation for dead 90*,3 piece 90*, 45* and offsets/double offsets, I'll try to remember to get on here tomorrow from there or bring it home and scan it.

  4. #4
    Join Date
    Jul 2004
    Posts
    4
    hey thanks Hawk...that'd be a great help

  5. #5
    Join Date
    Mar 2004
    Location
    Austin, Texas
    Posts
    1,959
    NAIMA Fibrousglass Duct Construction Standards has it all. Found it at http://www.NAIMA.org for $20. There are several other free downloads that may have what you need.

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