Fabrication Capabilities
Full-service sheet metal duct fabrication from our automated shop in Brooklyn. Every duct type, every material, every gauge — built to your specifications.
Duct Types We Fabricate
From standard rectangular ductwork to complex specialty fabrication, our shop handles every duct type your project requires.
Rectangular Duct
Standard and custom rectangular ductwork fabricated to your specifications. Available with TDF (Transverse Duct Flange) or S&D (Slip and Drive) connections.
- All standard and custom sizes
- TDF and S&D connections
- Lined and unlined options
- Pittsburgh lock and snap-lock seams
Round Duct
Round duct sections for supply, return, and exhaust applications. Snap-lock and welded seam options available in all standard diameters.
- 3" to 36"+ diameters
- Snap-lock and welded seam
- Standard and custom lengths
- Single and double wall
Spiral Duct
Factory-quality lock-seam spiral duct for exposed and concealed applications. Clean seams, consistent quality, and superior air-tightness.
- 4" to 60" diameters
- Lock-seam construction
- Ideal for exposed applications
- Superior air-tightness
Fittings & Transitions
Full range of duct fittings including elbows, tees, reducers, offsets, transitions, and custom specialty pieces for any installation condition.
- Elbows (all radii)
- Tees, wyes, and reducers
- Custom transitions and offsets
- Boots, take-offs, and plenums
Grease Duct
Welded black iron grease duct for commercial kitchen exhaust systems. Built to NFPA 96 code for fire safety compliance and FDNY inspection.
- 16-gauge black iron
- Continuously welded seams
- NFPA 96 compliant
- Cleanout access panels
Specialty Fabrication
Custom fabrication for unique project requirements. Plenums, equipment curbs, drain pans, architectural metalwork, and one-off specialty pieces.
- Custom plenums and enclosures
- Equipment curbs and pads
- Drain pans and housings
- Architectural metalwork
Materials
We stock all standard HVAC sheet metal materials and can source specialty materials for unique project requirements.
Galvanized Steel
The industry standard for commercial HVAC ductwork. Corrosion-resistant and cost-effective for most applications.
Black Iron
Required for grease duct, kitchen exhaust, and high-temperature applications. Continuously welded construction.
Aluminum
Lightweight and corrosion-resistant. Used for specialty HVAC, industrial ventilation, and marine applications.
Stainless Steel
For lab exhaust, clean room, pharmaceutical, food processing, and food-grade applications requiring superior corrosion resistance.
Shop Equipment
Our Brooklyn shop is outfitted with automated equipment for consistent, high-volume sheet metal fabrication.
HVAC Installation Services
Beyond fabrication, Metal Men Mechanical provides full HVAC system installation for commercial and industrial projects across NYC. We handle the complete scope — from fabrication through installation — so you have one reliable partner for the entire job.
Ready to get started?
Upload your plans and get a detailed fabrication quote within 24–48 hours. Or call us to discuss your project.