The Midlands' Direct Line to Precision Metal24 Hours delivery.

HVAC & plumbing sheet metal for Columbia contractors

Columbia is SWI's backyard across the border — just 90 minutes down I-77 from our Charlotte shop. Midlands HVAC and plumbing contractors get next-day delivery of rectangular duct, spiral pipe, roof curbs and custom fittings on our daily route.

From USC campus buildings to state government complexes and Lexington County industrial parks, SWI fabricates SMACNA-compliant ductwork labeled by job and floor so Columbia crews install faster.

Project experience in Columbia

USC campus buildings, state government complexes, and Midlands industrial parks.

Areas we deliver around Columbia

• Downtown Columbia
• The Vista
• Lexington
• Irmo
• Cayce
• West Columbia
• Forest Acres
• Blythewood
• Chapin
• Elgin

What we fabricate for Columbia contractors

Every order headed to a Columbia jobsite is fabricated at SWI's Charlotte shop to the same SMACNA standards our contractors have trusted since 1966 — then labeled by job, floor and system before it ever leaves the dock. Our Columbia customers order the full commercial package:

• Rectangular Ductwork

  SMACNA-compliant rectangular duct fabricated on automated coil lines. TDF/TDC flanged connections, 26–20 gauge galvanized, lined or unlined, sealed to SMACNA Seal Class A.

• Spiral Pipe & Fittings

  Spiral lock-seam round and flat-oval pipe with matching elbows, tees, reducers and taps. Gored, stamped or radiused fittings to spec for exposed architectural ceilings.

• Black Iron & Grease Duct

  Heavy-gauge welded black iron duct for kitchen exhaust, industrial exhaust and smoke control. Continuous welded seams, NFPA 96 compliant for commercial kitchen grease duct.

• Drain Pans & Plumbing Metal

  Custom condensate drain pans, water heater pans and plumbing sheet metal built to your dimensions. Soldered or welded corners, PVC or threaded drain connections.

• Roof Curbs & Flashing

  Equipment roof curbs, curb adapters, pitch pockets and counter flashing fabricated to RTU submittals. Fully welded and reinforced for carrier and package units.

• Custom Fittings & Specialty

  Transitions, offsets, elbows, boots, collars, wyes and one-off specialty sheet metal. Send a sketch or a CAD file — our shop builds it to the print, labeled by job and floor.

Contractors across Columbia and greater South Carolina choose SWI because the estimate comes back within one business day, the metal arrives within 24 hours, and the driver already knows the route. Whether your project calls for standard rectangular duct or a one-off stainless transition, send your prints today and put 60 years of fabrication experience on your next Columbia job.

Frequently asked questions