WB HAD 1410 Series

Hinged Insulated HVAC Duct Doors with Gasket

Sizes & Specifications

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Williams Brothers - WB CAD 1410 Series Hinged Insulated Duct Door with Gasket

Hinged Door with Knock-over Edges Enables a Quick Installation Wherever Duct Access is Needed!

The WB HAD 1410 Hinged Insulated HVAC Duct Door with Gasket is a cost-effective, flush access panel designed for use in HVAC ductwork. Featuring a 26 gauge, rust resistive galvanized steel door with 2” fiberglass insulation and a 26 gauge galvanized steel frame, both with a mill finish, this industry leading square duct access door ships complete with insulation and gasket. In addition, knock-over edges provide for a quick and simple installation wherever duct access is needed (item is union labeled).


  • Door: 26 Gauge Galvanized Steel, 1″ Deep
  • Frame: 26 Gauge Galvanized Steel with 5/8″ Dragon Tooth Knock-over Edges
  • Finish: Mill Finish
  • Latches: Twist Cam Latch (self-tightening)
  • Hinges: Continuous Aluminum Hinge
  • Insulation: 2″ Fiberglass Insulation (7.7 R factor), Compressed into 1″
  • Gasket: Neoprene Door-to-Frame Gasket (for temperature control and moisture resistance)
  • Applications: HVAC Ductwork


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The WB HAD 1410 HVAC duct access panel is available in a wide variety of sizes including 8×8, 12×12, 14×14, 16×16, 24×24, and more. Door features a continuous aluminum hinge, steel twist cam latches, insulation, and gasket for temperature control and moisture resistance.

Manufactured for The Williams Brothers Corporation of America. MADE IN USA.