Zinger Sheet Metal offers single wall and double wall oval duct work for many applications. We have the capabilities to make spiral oval from 6” minor up to 32” minor. Please consult factory for options on sizes outside of this range.
Oval Ducts

Construction Standards
- SMACNA Standards (2”, 4”, 6” and 10” WG recommended for positive pressure only, consult factory for negative pressure applications)
- Customer Specific Standards
Available Materials
- Galvanized G60 and G90
- Galvaneal (Paint Grip)
- Aluminum
- 304 Stainless Steel
- 316 Stainless Steel
- Polyvinyl Coated Steel (PCD, PVS) above ground only


Optional Liner
- Double Wall 1”, and 2” thickness
- Perforated inner with fiberglass insulation
- Solid inner with fiberglass insulation
- Optional Mylar Facing
Connectors
- Slip Fit & Couplings
- DuraFlange
- AccuFlange
- Angle Ring (companion flange)
