Double Wall Sheet Metal Duct

Doublewall spiral pipe and fittings for commercial and industrial hvac ductwork.

Double wall sheet metal duct.

Doublewall spiral pipe catalog specs. Fittings can be fabricated with standing seam elbow lock or welded seam construction. All sizes shall be listed using inside dimensions. Langdon fabricates double wall ductwork with an inner perforated metal liner and fittings with an inner solid metal liner.

Double wall pipe and fittings with e z flange and barrel clamp or standard slip connection sheet metal connectors inc. Sheet metal connectors inc. Double wall duct has a complete line of compatible fittings. All double wall fittings are fabricated with stiffening beads on duct sizes 19 wide and larger which have more than 10 square feet of unbraced panel.

Also available is acrylic coated insulation that resists air erosion of fibers and the growth of fungus and bacteria. Double wall fittings are manufactured on our state of the art fabrication equipment. Our double wall duct and fittings are galvanized sheet metal with an inner fiberglass insulation. Sheet metal connectors inc.

Double wall round spiral duct and fittings are one part of our complete line of hvac products. Double wall duct is constructed with an insulation layer between a solid metal outer shell and either a perforated or solid metal inner shell.