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DHG — Square Hinged Door

DHG — Square Hinged Door

  • Formed 22-gauge galvanized steel frame
  • Formed 24-gauge galvanized steel door
  • Fiberglass encapsulated 1" thick door
  • Preformed dovetail tabs allow for easy and quick installation
  • Available in sizes from 6" x 6" to 24" x 24"
  • Provides an estimated R-value of 3
  • Utilizes open-cell polyester foam gasket
  • Full-length hinge allows door to pivot out of the way for easy access to the duct
  • Tested to 4.5" S.P. with minimal leakage