All Rect. Doublewall Products

Top or Bottom Side Flat Transition Duct

Double wall fittings, including both our top and bottom side flat transitions, are manufactured on our state-of-the-art fabrication equipment. 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. This requirement is applicable to 20 gauge or less in thickness and 3” W.G. or less.

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