Economy Duct Board Access Door

Economy Duct Board Access Door


Metal Zinc’s Economy Duct Board Access Door with tab lock frame is used to access the inside of rectangular ductwork. Works in 1”, 1½” and 2” duct board applications.


  • Meets 2005 SMACNA Standards for pressure class and gauges (Refer to page 7.2; figure 7-2)
  • 2½” long tabs for duct boards
  • Matt black duct liner on inside of the door
  • Cam lock on all doors

Standard Construction

  • Door panel is manufactured from galvanized steel ASTM A653
  • Insulation is 1½” high-density duct liner UL Classification; FHC25/50, ASTM C 1071; Type 1 ASTM gauge-21, Greenguard Indoor Air Quality Certified*, Greenguard Children and Schools, NFPA 90A and 90B
  • Gasket is closed-cell neoprene, UL94HFT listed with service temperature range of 20º F to 200º F. The gasket is bonded to the inside of the frame.
  • Dovetail Frame measuring 6” x 6” to 12” x 12” are manufactured from 26-gauge galvanized steel. Frames measuring 14” x 14” to 24” x 24” are manufactured from 24-gauge galvanized steel.
  • All frames are manufactured with spot welds at each corner for increased strength and improved dovetail design for easy installation on metal ducts.Cams & Strikes are stamped using 16-gauge galvanized steel. The latch is stamped from 20-gauge galvanized steel. Each cam is secured to the door with a rivet. The latch is secured to the door with a rivet. The latch is secured to the frame in two locations for added stability.

Optional Construction

  • Doors for 16” or greater, 4 Cam locks will used
  • Galvanneal (paint grip)
  • Neoprene gasket bonded outside the frame
  • PCD
  • Stainless steel 304 and 316
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Product specifications

Metal Zinc Part Number Size A & B Gauge Number of Cams Bundle Quantity Pallet Quantity
AD0010-DB-EC6 x 62426TBD
AD0020-DB-EC8 x 82426720
AD0030-DB-EC10 x 102426396
AD0040-DB-EC12 x 122426294
AD0050-DB-EC14 x 142426TBD
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