Fabricated Sheet Metal Products

Rectangular Metal Duct

Specification Sheet, Per SMACNA

For your Rectangular Ducting jobs, download the following Specification Sheet
and we will provide a quote.


  1. All accessories for end connectors
  2. Reinforcing necessary per SMACNA if Static Pressure provided

Additional Information:

  1. Joints with TDF ends: 4 ft. length nets 44"; 5 ft. length nets 56"
  2. TDF is 4-Bolt Connector formed on end "Best Pricing"
  3. Ward substituted for Ductmate unless Ductmate required
  4. Quotes good for 30 days unless otherwise noted

Commercial and Industrial Capabilities

  • All welded
  • Special Gauging
  • Sandblasted, epoxy pre-coated

All types of ducting in:

  • Stainless steel
  • Black Iron
  • Aluminum
  • Copper

Special Round:

  • Spiral pipe to 84"
  • Lined spiral
  • Accuflanges™ or angle rings installed
  • Cut to length spiral
Mina can handle just about anything CALL FAX or EMAIL for a QUOTE!