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Products/Rectangular duct
Custom Duct Manufacturing

Rectangular duct fabrication
in Brighton, Colorado.

Galvanized and Paintlock rectangular ductwork, lined or unlined, fabricated to your supplied dimensions and connection requirements.

Pallet of Paintlock rectangular ductwork fabricated by Custom Duct Manufacturing

Built around your cut list.

Our automated coil line produces galvanized and Paintlock rectangular duct sections in 18–26 gauge for HVAC projects. Send the sizes, quantities, material, gauge, liner, and end connections needed for your order.

Material & gauge
Galvanized or Paintlock · 18–26 gauge
Liner
Lined or unlined
Connections
TDF, slip & drive, or notched raw ends
Pricing
Quoted from your cut sheets or takeoff list

What to include.

  • Width × height and section length
  • Quantity for each size
  • Required material, gauge, and pressure class
  • Liner type and thickness, if needed
  • Connection type at each end
  • Job name and desired completion date

Need matching fittings?

Include the fitting cut sheets with your straight-duct list so our team can review the requirements together.