(518) 746 -0182
Fax: (518) 746-0183

22 Hudson Falls Road, Door 3
South Glens Falls, NY

Trunk Duct

Trunk Ductwork L-Shape w/ Slip & Drive Connection

Straight Trunk Ductwork Installed

Trunk duct is the main line of duct running through your homes basement or attic. From the main line of trunk duct there are round runs, ranging in size for 5″ to 6″ in circumference, moving the air to each room of the home.

The trunk duct is used for both the supply (warm air) and return (cold air), helping to create the circuit that is your forced air heating and cooling duct system.

All of our trunk duct is fabricated with 26 or 24 gauge sheet metal. We fabricate standard and custom sizes in 48″ length, (2) L-shapes with button lock joints, slip and drive connections.


Product Details:

  • Fabricated with 26 or 24 gauge galvanized sheet metal
  • 48″ lengths
  • (2) L-shape sides
  • Button lock joints
  • Slip and Drive Connections

Common Sizes:

  • Standard and custom straight trunk ductwork sizes available
  • 8″ x 8″ up to 8″ x 30″
  • 10″ x 10″ up to 10″ x 30″
  • 12″ x 12″ up to 12″ x 24″
  • Custom sizes

Please visit our contact page to send us any questions on straight trunk ductwork sizing and fabrication.

You can purchase sheet metal hand tools used in the fabrication process from our Amazon.com Tool Shop

Full disclosure: we are Amazon.com affiliates