Promart

Capabilities

Structural steel fabrication

80,000 square feet of fabrication under crane in Sarnia. CWB W47.1 and AISC certified, welded to CSA W59, cut on a robotic plasma line. From single beams to 2,800 ton programs.

Fabrication bay with welding in progress under overhead crane

The capability

Heavy fabrication, run like a production line

We fabricate structural and miscellaneous steel for industrial clients who measure delivery in days, not excuses.

Plate and shapes come in one end of the shop. Cut, fit, welded, inspected, and shipped steel goes out the other, at a rate of up to 1,000 tons a month. Our robotic plasma cutting line gives us repeatable accuracy on copes, holes, and profiles, and feeds fit-up bays staffed by ticketed fitters and CWB qualified welders.

Every job runs under our registered ISO 9001 quality system. For nuclear scopes, fabrication runs under our CSA N299.3-16 QA program with full material traceability, documented inspection holds, and weld records that stand up to utility surveillance.

Typical scopes: structural frames, beams and columns, trusses, equipment supports, pipe racks, platforms, stairs, ladders, guardrail, and miscellaneous metals. Detailing happens in-house: our SDS/2 detailers turn your design drawings into shop and erection drawings, and CNC data flows from the model straight to the cutting floor.

Robotic plasma cutting line in operation
Welding a built-up truss connection
Fabricated steel frames staged in the shop

Shop by the numbers

Fabrication area
80,000 sq ft
Shop throughput
1,000 tons per month
Welding certification
CWB W47.1 / CSA W59
Fabricator certification
AISC Certified
Nuclear QA program
CSA N299.3-16
Detailing
In-house, SDS/2
Cutting
Robotic plasma line
Largest single program
2,848+ tons
Laydown
11-acre yard

Why it matters

Why clients keep their steel here

Certified depth

CWB, AISC, and CSA N299.3 under one roof. When the spec tightens, we do not subcontract the hard parts. We already qualify.

Sequenced delivery

Steel ships in erection order, staged on our own yard. Your iron arrives when the crane needs it, not when the shop felt like shipping.

Finish in-house

Fabricated steel rolls straight into our SSPC QP3 coating facility. No trucking between vendors, no schedule gaps, no split accountability for the finish.

Have a structural package to price?

Send the drawings. We return real numbers from a shop that has done it before, not placeholder unit rates.