JM DB4 Duct Board Sheet, 48 Inch W, 120 Inch L, 1 Inch T, For Use With: For fabrication into rectangular ductwork for use in heating, ventilating and air-conditioning systems
SuperDuct RC air duct board is made from strong, resilient glass fibers bonded with a thermosetting resin. Male/female joints are factory made on the transverse edges of each board. A tough FSK (foil-scrim-kraft) facing is laminated to the exterior surface of the board.
SuperDuct RC duct board is ideal for fabrication into rectangular ductwork for use in heating, ventilating and air-conditioning systems in new commercial or residential construction, or for renovating older sheet metal systems.