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Structural steel welding and fabrication

Structural Steel & Welding Services

Structural steel fabrication, installation, and professional welding services for construction projects in Toronto and the GTA.

Quick Facts

Cost Range
$500–$5,000 per beam installed
Fabrication
1–2 weeks (shop + site install)
Certification
CWB W47.1 (Canadian Welding Bureau)
Common Sections
I-beams, W-shapes, HSS, angles, channels

Custom Structural Steel Fabrication

Custom structural steel is essential when a project demands open floor plans, long spans, or load-bearing capacity that wood framing alone can't achieve. Konstruction Group fabricates and installs custom steel beams, columns, moment frames, and connections for residential and commercial projects across the GTA. From removing a load-bearing wall in a home renovation to erecting the steel skeleton of a multi-storey commercial building, our steel division handles projects that require engineering precision and on-site welding capability. We work from stamped structural drawings and coordinate directly with your engineer to ensure every connection meets the specified design loads.

Construction Welding and Commercial Welding Services

Construction welding covers the on-site, structural, and field-welded work that keeps a project moving once steel is delivered. Konstruction Group provides construction welding and commercial welding services across Toronto and the GTA: beam-to-column moment connections, baseplate welds, retrofit reinforcing on existing buildings, custom-fabricated brackets and embeds, and repair welding on damaged or out-of-spec assemblies. All welds are performed by CWB-certified welders to CSA W59 standards. Commercial welding clients include general contractors, property managers, manufacturing facilities, and institutional builders. Mobile rigs handle on-site work; shop fabrication runs out of our facility for pre-built assemblies. Construction welding typically prices at $120 to $180 per hour with a half-day or full-day mobilization minimum depending on scope.

CWB-Certified Welding You Can Trust

Welding quality on structural steel is non-negotiable — a failed weld on a moment connection can compromise an entire building. Our welders hold CWB (Canadian Welding Bureau) certification, which means they've been tested and qualified to perform structural welds that meet CSA W59 standards. We perform MIG, TIG, and stick welding on-site, with the equipment and expertise to weld in the field conditions that construction projects demand. Whether it's a beam-to-column connection at height or a baseplate weld in a tight basement, our certified welders deliver welds that pass visual and ultrasonic inspection.

Integrated Steel and Framing Under One Roof

Most construction projects that involve structural steel also require framing around and adjacent to it. A steel moment frame in a residential renovation needs wood framing to close in walls and ceilings. A steel beam supporting a removed wall needs proper header detailing and connection to the surrounding frame. Because Konstruction Group provides both structural steel and framing services, we eliminate the coordination gap between your steel installer and your framer. One crew understands both materials, one schedule keeps the project moving, and one contractor is accountable for the structural work from steel erection through framed and insulated walls.

Frequently Asked Questions

Common questions about our structural steel & welding services in Toronto and the GTA.

Frequently Asked Questions

How much does structural steel cost in Toronto?

Structural steel beam installation typically costs $500–$5,000 per beam depending on size, weight, and complexity. A standard W8x31 beam for a residential load-bearing wall removal runs $1,500–$3,000 installed. Moment frame connections cost more due to the precision welding and engineering requirements.

What is a moment frame and when is it needed?

A moment frame is a rigid steel connection that resists lateral forces (wind, seismic) without diagonal bracing. It is required when the architectural design calls for open floor plans or large window walls where traditional bracing would obstruct the layout. Moment frames are common in Toronto custom homes and multiplex renovations where load-bearing walls are removed.

Do you provide CWB-certified welding?

Yes, our welding meets CWB (Canadian Welding Bureau) W47.1 certification standards. All structural welds are performed by certified welders and inspected to meet the specifications required by your structural engineer. CWB certification is mandatory for all structural steel connections in Ontario.

How long does steel fabrication take?

Shop fabrication typically takes 1–2 weeks after shop drawings are approved. Site installation depends on the scope — a single beam can be installed in one day, while a full moment frame or multi-beam system may take 3–5 days. Total turnaround from order to installed is usually 2–4 weeks.

Ready to Start Your Project?

Contact us today for a free consultation and quote on your structural steel & welding project.

15+
Years Experience
500+
Projects Completed
$10M
Liability Insurance
1 Year
Warranty