Ductwork & Fittings

Rectangular duct and fittings are fabricated to the latest SMACNA standards. We offer color coordinated labels for every piece of duct for easier comparison to our fabrication drawings. Which in turn makes the installation process faster. Our advanced equipment enable us to produce ductwork quickly and efficiently, at a cost savings to the customer. Lined, unlined and Dual wall products are available.

Regional Sheetmetal
Manufacturing LLC
4401 Springfield St, Suite 200
Dayton, OH 45431

Rectangular Duct
Single and Double Wall Construction

Material Options

  • Galvanized
  • Paint Grip
  • PVS
  • Stainless Steel
  • Aluminum
  • Pre-Painted Steel

Available Gauges

  • 26 GA. Through 16 GA


Longitudinal Seam Options

  • Pittsburg Lock- sealed or unsealed
  • Snap Lock- sealed or unsealed
  • Welded

Transverse Joint Options

  • Slips and Drive
  • Weld Flange
  • Companion Angle
  • Raw Edge Flange
  • Pocket Lock
  • T.D.C.


Construction Standards


Other Options

  • Liners 1/2″, 1″, 2″
  • Single Turning Vanes
  • Shipped Knocked Down
  • Insulation Nosing
  • Liner Pin Spacing
  • Double Turning Vanes
  • Releases Per Your Schedule
  • Delivery to Job Site



“All you need to know is that Eric, Dave and the rest of the team exceeded my expectations on this last project that they did with us. This was a big push project with a very quick time frame and it was completed perfectly.”


“Just a FYI. RSM was the highest bidder (out of 4 bids) on the SM package but failing to produce is not an option here, so I am going to award to RSM for First Class service on this one.”