Your Local Spiral Duct & Oval Duct Connection
  • For Fastest Service, Call

    301-864-3828

  • Office/Shop/Warehouse

    3711 Wells Avenue
    Mount Rainier, MD 20712

  • For Fastest Service, Call

    301-864-3828

  • Office/Shop/Warehouse

    3711 Wells Avenue
    Mount Rainier, MD 20712

Sheet Metal, Spiral Duct & Oval Duct Fabrication in Maryland

We stock thousands of feet of spiral duct and fittings up to 28″ and manufacture round ductwork, flat oval duct, and fittings to 72″ at our shop in central Maryland. You can pick up or we can ship directly to you!

OUR CATALOG

Although we try to show a wide variety of fittings, this is certainly not the extent of what we can fabricate upon request.

Owner reserves the right to make changes.

DC Duct Catalog

SPIRAL DUCT

We stock most common sizes of spiral ductwork. We also specialize in custom spiral duct fabrication. If we don’t have the spiral pipe you need in stock, we’ll fabricate it for you on site.

FLAT OVAL DUCT

Looking for oval ductwork rather than round? We also specialize in custom flat oval duct fabrication. Our ovalizer can turn any size round spiral duct into the custom flat oval ductwork you need.

FITTINGS

Whether you are choosing round or oval spiral ductwork, you need the fittings to go along with your pipe. We stock all the standard fittings and welcome your requests for custom duct fittings.

Bio Shield AntimicrobialWe stock antimicrobial duct and flat sheets.

*Fittings are available 48 hours after duct delivery.

ABOUT US

DC Duct and Sheet Metal specializes in the manufacturing of round spiral duct, flat oval duct, and fittings that adhere to the current SMACNA guidelines. Using state-of-the-art equipment, our mechanics are skilled and trained to provide the highest quality service and craftsmanship. Our customer service goes above and beyond, striving for a timely turnaround on all quotations and shipments of our round ductwork. In most cases we will be able to provide you with the products you need as you need them; however, if we don’t have what you are looking for, or we are unable to provide you with enough materials to complete your order immediately, we will do whatever is necessary to meet your needs.

Ovalizer - Oval Duct Manufacturing

DC Duct & Sheet Metal manufactures and stocks thousands of feet of spiral duct and oval duct. We also have hundreds of spiral duct fittings and oval duct fittings, providing the duct fabrication and sheet metal fabrication Maryland businesses and contractors rely on.

If you can draw it, we can make it.

OUR PRODUCTS INCLUDE

  • Spiral duct and fittings
  • Single and double wall flat oval duct and fittings
  • Male and female couplers
  • End caps
  • Reducers
  • 90 degree elbows
  • 45 degree elbows
  • Stamped elbows
  • Saddle taps with and without dampers
  • Bell mouth with and without dampers

Yes, we make drain pans!

Our high pressure spiral duct, round ductwork, and flat oval duct — in comparison to traditional rectangular duct — is ideal for a number of different applications in a variety of industries, including construction, manufacturing, agriculture, mining, and restaurants. Its appearance is aesthetically pleasing and it is easy to install, coming in a variety of materials with many additional accessories to choose from. Our production facilities are located in Mount Rainier, Maryland, and we service all of Maryland, Northern Virginia, and Washington, D.C. We also offer our products throughout the U.S. via common carrier and provide local delivery for a nominal fee. Of course, we welcome pick-ups and will even help you load your purchases upon arrival.

Have questions or want to check availability?  Contact us today!

Call us at 301-864-3828

We have sales representatives standing by Monday–Thursday, 8:30am–4:30pm and Friday 8:30am–4:00pm.

Send us an email

If it’s after hours or you just prefer to write your questions, send us an email.

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