Eastern Sheet Metal can fill all of your spiral duct and fitting requirements. In both our Cincinnati and our Dothan location we manufacture single wall round, dual wall round, single-wall flat oval and dual wall flat oval spiral duct and fittings as well as offering you the option to have the round and flat oval experts at ESM fabricate your long seam welded round and flat oval exhaust systems.

ESM is a true custom manufacturer of spiral duct systems. This means you can get your ductwork in G90 galvanized steel, “paint grip” steel, 304 and 316 stainless, 3003 aluminum, poly coated steel and anti-microbial coated steel. ESM also offers a full range of insulations for dual wall spiral. You can have our standard unfaced fiberglass insulation, mat faced fiberglass duct liner, or our E-Free insulation with a polyester rayon facing to prevent fiberglass from entering the airstream. ESM also offers a full range of elastomeric products.

ESM offers the widest size selection of round and flat oval spiral duct and fittings available. Our round spiral sizes include 3” to 30” diameters in one inch increments and 32” to 84” diameters in 2” increments. We offer 379 flat oval sizes with minor axes from 4” to 36” deep.

ESM is the industry leader in providing you with labor saving options that are also energy savers. Our patented Eastern Tight system, provides a Class 3 sealed system, the most stringent requirement, without additional sealing in the field. For larger round, and flat oval 10” and larger, we offer the Eastern Flange, A T25A shaped, factory mounted, screw through flange that only requires a peel and stick gasket to complete a Class 3 seal. The Eastern Advantage – Save labor time with the Eastern Flange and Eastern Tight and deliver a duct system free of leakage points.