Double Wall Sheet Metal Duct

Also available is acrylic coated insulation that resists air erosion of fibers and the growth of fungus and bacteria.

Double wall sheet metal duct.

Fittings can be fabricated with standing seam elbow lock or welded seam construction. Sheet metal connectors inc. All sizes shall be listed using inside dimensions. Double wall duct has a complete line of compatible fittings.

Sheet metal connectors inc. Doublewall spiral pipe and fittings for commercial and industrial hvac ductwork. Our double wall duct and fittings are galvanized sheet metal with an inner fiberglass insulation. Doublewall spiral pipe catalog specs.

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. Double wall fittings can be fabricated to desired length and many different configurations. Langdon fabricates double wall ductwork with an inner perforated metal liner and fittings with an inner solid metal liner. Manufactures double wall fittings in most sizes and configurations.

Double wall round spiral duct and fittings are one part of our complete line of hvac products. Double wall pipe and fittings with e z flange and barrel clamp or standard slip connection sheet metal connectors inc.