Sheet Metal & Duct Fabrication

Grunau's sheet metal team fabricates ductwork of any shape or size in our own shop. Whether you need rectangular or spiral, kitchen exhaust or heavy gauge work, we offer the highest quality product. Our shop and installation teams work together to ensure the correct material is on-site when needed and prefabricated when possible for efficient project completion.

Sheet Metal & Duct Fabrication Capabilities

  • 10 Gauge to 26 Gauge
  • Aluminum, Stainless, Galvanized, Black Iron
  • Oval, Round, Square, Flats
  • Welded Duct
  • Lined Duct
  • Blow Pipe
  • Dust Collection
  • Flashing
  • Panning
  • Guards
  • Radius Drywall Track
  • 6 Ft Coil Line
  • Spiral Machine
  • 2" and 4" Turn Vane Machine
  • Plasma Table
  • … and more

HVAC Projects

Learn more about our sheet metal duct fabrication capabilities, contact us today!