Flange is designed to strengthen the duct wall and connect duct sections together. All Duro Dyne Dyn-O-Mate J Flange is furnished with an integrated sealant pocket for a secure air tight fit and meets SMACNA rigidity class J for transverse joints (steel). Bundles of 20ft. lengths are available only with a Full Truckload order and most styles are available in specialty metals. All Dyn-O-Mate Corners in the J System are a skid qty of 48 boxes.
Duro Dyne® J-Flange, 12 ft, 1.34 in Flange Width