Acudor HD-5070 Duct Access Door 18 x 18 Acudor Duct Access Doors are designed to provide convenient, economical access to duct components. The insulated door panel, along with the gasketing between the door and frame assures a tight seal without obs truction in the air system. Acudor duct access doors are available in either hinged (HD-5070) or double cam (CD-5080) construction. Acudor HD-5070 Duct Access Door 18 x 18 Features: • Insulated Duct Door Hinged • Provides access to sheet m etal duct • Insulated door panel • Also available: door with vision panel and doors for fiberglass ducts Acudor HD-5070 Duct Access Door 18 x 18 Specifications: • Access Door: 24 gage galvanized steel, double panel. • Access Door Frame: 24 gage galvanized steel with 5/8" notched knock over tabs. • Access Door Hinge: Continuous aluminum piano hinge. (HD-5070 only) • Access Door Insulation: Door panel filled with 2" fiberglass insulation (7.7 R factor), compresse d into 1". • Access Door Gasketing: 1/8" thick by 1/2" wide closed cell neoprene gasketing between door and frame. • Access Door Latch: Self-tightening, hand operated cam latch. * Dimensions are W x