Duct Access Door (Hinged)

Duct Access Door (Hinged)

Duct Access Door (Hinged)


  • On door sizes of 12 x 12 inches and smaller, door shall be 24 gage galvanized steel.
  • On door sizes of 14 x 14 inches and larger, door shall be 22 gage galvanized steel.
  • Frame shall be 22 gage galvanized steel.
  • Hinge shall be aluminum, continuous piano.
  • Door shall be filled with 2" thick fiberglass insulation compressed into 1". R factor =7.7.
  • Gasketing between door and frame shall be 1/2" thick by 1/8" wide closed cell neoprene gasketing.
  • Cam latches shall be zinc plated steel-selft-tightening and hand operated.
  • Back of frame to have 5/8" notched knock-over edges.
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  1. 2F-KHD2424-NAS-NC-CL, Karp KHD 23-1/2 in. x 23-1/2 in. Duct Access Door-NAS-NC-CL, Karp  KHD Model Duct Door

    Sku #: 2F-KHD2424

    Karp KHD 23-1/2 in. x 23-1/2 in. Hinged Duct Access Door With Double Cam Latch
    Special Price $65.16 Regular Price $97.74
  2. 2F-KHD1818-NAS-NC-CL, Karp KHD 17-1/2 in. x 17-1/2 in. Duct Access Door-NAS-NC-CL, Karp  KHD Model Duct Door

    Sku #: 2F-KHD1818

    Karp KHD 17-1/2 in. x 17-1/2 in. Hinged Duct Access Door With Double Cam Latch
    Special Price $54.75 Regular Price $82.13
  3. 2F-KHD1616-NAS-NC-CL, Karp KHD 15-1/2 in. x 15-1/2 in. Duct Access Door-NAS-NC-CL, Karp  KHD Model Duct Door

    Sku #: 2F-KHD1616

    Karp KHD 15-1/2 in. x 15-1/2 in. Hinged Duct Access Door With Double Cam Latch
    Special Price $50.48 Regular Price $75.73
  4. 2F-KHD1414-NAS-NC-CL, Karp KHD 13-1/2 in. x 13-1/2 in. Duct Access Door-NAS-NC-CL, Karp  KHD Model Duct Door

    Sku #: 2F-KHD1414

    Karp KHD 13-1/2 in. x 13-1/2 in. Hinged Duct Access Door With Double Cam Latch
    Special Price $43.37 Regular Price $65.06
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