Div 23 — Air Distribution
Sheet Metal Fabrication
Fabricated ductwork, fittings, plenums and specialty metal for air distribution and kitchen exhaust.
What this covers
- /Rectangular and round duct
- /Fittings, transitions and plenums
- /Hangers, seals and insulation
- /Kitchen hood exhaust duct
- /Louvers, curbs and flashings
How it factors into your estimate
- Duct quantities come from airflow rules of thumb tied to area — confirm against a mechanical design.
- Gauge, seams and sealing class follow SMACNA standards and affect material weight and hours.
- Grease duct is welded, inspected and priced separately from standard supply and return duct.
Labor intensity used by the estimator: 0.05 hours per square foot, adjusted for residential, commercial or industrial work. You can replace the hourly rate and every material price with your own numbers on the Trade Costs page.
Want a price for sheet metal fabrication on your job? Send the address, square footage and scope.
Other trades