Single-Wall Rectangular Duct and Fittings

McGill AirFlow’s single-wall, rectangular duct and fittings are factory fabricated to furnish you with a high-quality line of products in a broad range of standard sizes. To minimize field-assembly costs, rectangular duct is supplied in lengths up to 6 feet. Longitudinal seams are typically made with Pittsburgh locks or button-punch snap locks. In addition to economical TDC™ transverse duct connectors, S & drive slip joints, four-bolt connectors, and applied duct connectors are available. Rectangular ductwork can be shipped completely assembled or knocked down. McGill AirFlow’s standard rectangular products are fabricated to meet SMACNA’s 1995 duct construction standards. Plus, we can custom fabricate rectangular ductwork for commercial and industrial applications according to your specifications.

Available Materials and Thicknesses


Construction

Materials (3)

Thicknesses

UNI-SEAL™
(Pittsburgh Lockseam)

Galvanized Steel

28-18 gauge (1)

Stainless Steel

26-22 gauge (2)

Aluminum

0.032-0.063 inch

UNI-SEAL
(Button-Punch Snap Lock)

Galvanized Steel

28-20 gauge

Stainless Steel

26-22 gauge

Aluminum

0.032-0.063 inch

Pittsburgh Lockseam
Button Punch Snap-Lock

(1) Galvanized steel fittings with Pittsburgh lockseam construction are also available in 16 gauge.

(2) Stainless steel fittings with Pittsburgh lockseam construction are also available in 20 gauge.

(3) SilverGuard™ rectangular, single-wall duct and fittings (pre-coated with an antimicrobial) are available on special order.
UNI-GASKET fittings
 


McGill AirFlow's Single-Wall Rectangular Duct and Fittings:

Single-Wall Rectangular
With ACOUSTI-LINE Insulating Liner
Available Connectors
Automated Production

  

 

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An enterprise of United McGill Corporation—Family owned and operated since 1951

Unless otherwise noted, all (™) trademarks and (®) registered trademarks are property of United McGill Corporation.