Duct-supply - Sheet Metal Products
Duct-supply- a division of Louisiana CSI, LLC fabricates high quality rectangular and spiral duct work for the HVAC industry.  ALL of our galvanized duct work is fabricated from G90 steel. Other materials used in fabrication include paint grip, stainless steel, aluminum,  and black iron

Our Standard Products Are:
  • Rectangular Duct And Fittings,
  • Spiral Duct And Fittings, Single or Spiracoustic Lined
  • Welded Duct Systems, Including Galvanized, Stainless Steel, And Black Iron
  • Internally Lined Duct

All of our duct work leaves the shop assembled, unless specified otherwise.

Specialty Items:

  • Drain Pans
  • Roof Curbs
  • Duct And Equipment Supports
  • Custom Items