COMMERCIAL GALVANIZED STEEL FABRICATION ON THE GULF COAST
Galvanized steel is the workhorse material of commercial HVAC, and JMC Fabrication runs it every day. From a 50,000 sq ft shop in Pascagoula, MS, we fabricate SMACNA-compliant galvanized duct and galvanized components for general contractors and mechanical subcontractors, with Revit BIM coordination and Southeast delivery reach.
Galvanized steel carries a zinc coating that resists corrosion in the humid, temperature-cycling conditions inside commercial duct systems, which is why it is the standard material for commercial HVAC duct and much of the supporting metal. It pairs corrosion resistance with the cost and workability commercial packages need at volume, and JMC fabricates it to the SMACNA standard for the specified class.
JMC's galvanized scope centers on commercial HVAC and its supporting metal:
- SMACNA-compliant galvanized duct: rectangular, round, and oval, all classes
- Galvanized fittings, transitions, and accessories
- Galvanized supports, brackets, and miscellaneous metals
- High-volume production for large commercial mechanical packages
- Fabrication to project specification and drawing
Galvanized commercial duct has to meet SMACNA construction standards for the specified pressure class. JMC fabricates gauge, reinforcement, sealing, and joint construction to the SMACNA requirement for the class, so the galvanized duct that ships matches what the mechanical engineer specified.
JMC coordinates galvanized work through the same in-house engineering process as the rest of a commercial package:
- Work from GC or mechanical sub Revit models
- Clash detection and drawing review against the coordinated model
- Shop drawings from customer packages or drafted in-house
- RFI support for GC and mechanical engineer coordination
Galvanized duct is bulky, and freight matters on large packages. Sourcing regionally from JMC's Pascagoula shop rather than out of state reduces freight cost on Gulf Coast and Southeast commercial projects.
- Galvanized Steel FabricationSMACNA-compliant galvanized steel duct, sheet metal, and custom components from Pascagoula, MS. Corrosion-resistant fabrication for commercial HVAC and industrial applications.
- HVAC Duct FabricationSMACNA-compliant HVAC duct fabrication from Pascagoula, MS. Rectangular, round, and oval duct in galvanized and stainless steel. 50,000 sq ft facility serving the Gulf Coast.
- Custom Metal FabricationCustom metalwork from concept through delivery — pump skids, penetrations, flanges, subbases, copper assemblies. AWS and NAVSEA certified. 50,000 sq ft shop in Pascagoula, MS.
Why is galvanized steel used for commercial HVAC duct?
Galvanized steel carries a zinc coating that resists corrosion in the humid, temperature-cycling conditions inside duct systems, while remaining cost-effective and workable at volume. That makes it the standard material for commercial HVAC duct.
Is JMC's galvanized commercial duct SMACNA-compliant?
Yes. JMC fabricates galvanized duct to SMACNA construction standards for the specified pressure class, with gauge, reinforcement, sealing, and joint construction following the SMACNA requirement for that class.
What galvanized components does JMC fabricate beyond duct?
In addition to duct, JMC fabricates galvanized fittings, transitions, accessories, supports, brackets, and miscellaneous metals for commercial mechanical packages.
Can JMC coordinate galvanized work through Revit BIM?
Yes. JMC's in-house engineering team works from GC or mechanical sub Revit models, performs clash detection and drawing review, and generates shop drawings from customer packages or in-house.
Does sourcing galvanized duct from JMC reduce freight cost?
Yes. Galvanized duct is bulky, and sourcing regionally from JMC's Pascagoula, MS shop rather than from an out-of-state supplier reduces freight cost on Gulf Coast and Southeast commercial projects.