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.

Our double wall duct and fittings are galvanized sheet metal with an inner fiberglass insulation. Double wall pipe and fittings with e z flange and barrel clamp or standard slip connection sheet metal connectors inc. Manufactures double wall fittings in most sizes and configurations. All sizes shall be listed using inside dimensions.

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 are manufactured on our state of the art fabrication equipment. Sheet metal connectors inc. Double wall duct has a complete line of compatible fittings.

Doublewall spiral pipe and fittings for commercial and industrial hvac ductwork. Doublewall spiral pipe catalog specs. Double wall round spiral duct and fittings are one part of our complete line of hvac products. Fittings can be fabricated with standing seam elbow lock or welded seam construction.

Double wall duct is constructed with an insulation layer between a solid metal outer shell and either a perforated or solid metal inner shell. Acoustical double wall duct is built with a solid outer shell and a perforated inner shell to effectively reduce system noise while thermal control double wall is built with solid inner and outer shells for assured thermal conductivity and vapor barrier integrity.