Built to spec
Fabricated from your measurements, drawings, and site conditions — not a stock part forced to fit.
Dunnage Steel is fabricated structural framing that elevates rooftop or floor-mounted mechanical equipment.
Send your specs, drawings, or photos and we’ll get you a quote.
Send your specs, drawings, or photos and we'll get you a quote.
Rated 5.0 on Google for custom metal fabrication across Toronto and the GTA — grates, gates, bollards, and structural metalwork built to spec, delivered on time, and backed by our workmanship warranty.
Fabricated from your measurements, drawings, and site conditions — not a stock part forced to fit.
Heavy-duty steel and finishes chosen for the load, traffic, and environment on site.
Send specs, drawings, or photos and get a clear, buildable quote with no guesswork.
Installation and site work completed in accordance with Ontario requirements.
Dunnage Steel is fabricated structural framing that elevates rooftop or floor-mounted mechanical equipment. In St.
St. Catharines dunnage steel work centres on rooftop units, chillers, and mechanical platforms. The recurring drivers are elevated structural support for mechanical equipment above decks — each St. Catharines order is scoped to its own situation rather than a standard package.
St. Catharines's need for dunnage steel (Regional Municipality of Niagara) is driven largely by automotive and powertrain manufacturing (GM), marine and shipbuilding (Welland Canal), wine and agri-food processing, advanced manufacturing and tooling, commercial and institutional construction. Most of it sits around St. Catharines (Glendale/Ontario Street) complex, Welland Canal industrial corridor, eastern industrial lands, Bunting Road / Eastchester industrial. Much of the demand tracks St. Catharines's industrial corridors near operations like General Motors St. Catharines Propulsion (engines/transmissions), marine and dry-dock operators on the Welland Canal, wineries and food processors, Brock University and Niagara Health hospital, tooling and parts manufacturers — heavy commercial and institutional sites, no two with the same spec.
Because St. Catharines spans automotive and powertrain manufacturing (GM), marine and shipbuilding (Welland Canal), wine and agri-food processing, advanced manufacturing and tooling, commercial and institutional construction, dunnage steel is never one-size: The Grate Guys fits the method to the building type, age, and use on every order.
What that means on the ground: St. Catharines is built around GM's Propulsion plant making engines and transmissions and the Welland Canal's locks cutting through the city; metal-fab demand spans automotive structural steel and guarding, corrosion-resistant canal-side grating and railings, plus stainless platforms for Niagara's wine and food sector. That local picture shapes how The Grate Guys assesses, equips, and prices each St. Catharines order.
What shapes a St. Catharines order is automotive-plant structural steel, conveyor and guarding, Welland Canal lock-side and ship corrosion and heavy grating, freeze-thaw and lake-effect corrosion on railings and walkways, winery stainless and platform fabrication. So The Grate Guys matches the gauge, material, and finish to the site, and a St. Catharines order rarely needs the same approach as a standard property.
Turnaround on dunnage steel in St. Catharines is about 5-10 business days. The Grate Guys quotes from a photo or measurement, builds to spec, and delivers and installs it on site — keeping each St. Catharines order on schedule without cutting the spec.
For St. Catharines: we measure, detail, fabricate to the load and finish spec, and confirm the install — a controlled process from drawing to delivery.
Representative St. Catharines work: dunnage steel for rooftop units, chillers, and mechanical platforms, often near St. Catharines (Glendale/Ontario Street) complex — handled end to end and fully documented. The Grate Guys also serves nearby the surrounding area, so projects spanning the surrounding area stay with one team.
The Grate Guys fabricates each St. Catharines order to a measured spec: the right gauge, the right steel, and a finish matched to the environment, with documentation that holds up to inspection.
Across St. Catharines, owners call The Grate Guys for dunnage steel for a simple reason: licensed, insured, and fully WSIB-covered work, 5-star-rated on Google, 5-10 business days, and a crew that actually knows St. Catharines (Glendale/Ontario Street) complex, Welland Canal industrial corridor, eastern industrial lands, Bunting Road / Eastchester industrial and how local buildings fail.
The Grate Guys covers all of St. Catharines — including St. Catharines (Glendale/Ontario Street) complex, Welland Canal industrial corridor, eastern industrial lands, Bunting Road / Eastchester industrial. Wherever the dunnage steel is needed, the same 5-10 business days and documented work apply.
Clean fabrication and a tidy install — coordinated with concrete, drainage, doors, and surrounding work, and completed to code where site work is in scope.
Put simply, Dunnage Steel is fabricated structural framing that elevates rooftop or floor-mounted mechanical equipment. For St. Catharines projects, it's made to order for the actual opening, not a catalogue part.
Yes — we respond across St. Catharines and the surrounding area. Response time is 5-10 business days.
Across St. Catharines — the work concentrates around St. Catharines (Glendale/Ontario Street) complex, Welland Canal industrial corridor, eastern industrial lands, Bunting Road / Eastchester industrial, each job scoped to its own conditions.
Mostly automotive and powertrain manufacturing (GM), marine and shipbuilding (Welland Canal), wine and agri-food processing, advanced manufacturing and tooling, commercial and institutional construction — The Grate Guys serves commercial, industrial, and institutional sites across St. Catharines.
In St. Catharines, the work accounts for automotive-plant structural steel, conveyor and guarding, Welland Canal lock-side and ship corrosion and heavy grating, freeze-thaw and lake-effect corrosion on railings and walkways, winery stainless and platform fabrication, so the gauge, material, and finish is matched to the site.
Mechanical equipment dead and operating loads — matched to the St. Catharines site, not a one-size approach.
The Grate Guys responds to St. Catharines with 5-10 business days, covering St. Catharines (Glendale/Ontario Street) complex, Welland Canal industrial corridor, eastern industrial lands, Bunting Road / Eastchester industrial and the surrounding area.
All of St. Catharines — St. Catharines (Glendale/Ontario Street) complex, Welland Canal industrial corridor, eastern industrial lands, Bunting Road / Eastchester industrial and the surrounding neighbourhoods — plus nearby the surrounding area.
Yes — The Grate Guys serves automotive and powertrain manufacturing (GM), marine and shipbuilding (Welland Canal), wine and agri-food processing, advanced manufacturing and tooling, commercial and institutional construction across St. Catharines, each scoped to its own building and use.
Cost depends on the size and complexity of the order, the materials, and the scope — The Grate Guys reviews the plans for each St. Catharines project and provides a clear, documented quote.
Yes — The Grate Guys assesses St. Catharines dunnage steel on site and provides a documented scope before any work begins.
A 5-star Google rating, real knowledge of St. Catharines — St. Catharines (Glendale/Ontario Street) complex, Welland Canal industrial corridor, eastern industrial lands, Bunting Road / Eastchester industrial — 5-10 business days, work that is licensed, insured, and fully WSIB-covered, and full documentation on every order.
Yes. a 2-year warranty, and The Grate Guys is licensed, insured, and fully WSIB-covered on every St. Catharines job.
Yes — The Grate Guys is 5-star-rated on Google, trusted by St. Catharines property owners, managers, and contractors for documented, on-spec work.
Structural steel, wide-flange, and tube, available raw, galvanized, or powder-coated — matched to the load and environment of each St. Catharines site, not a fixed catalogue part.
Both — The Grate Guys fabricates the dunnage steel, delivers it across St. Catharines and the surrounding area, and installs it on site so it fits the opening; work for sites further out can be shipped with install coordinated.
Supplied and installed across St. Catharines. See all metal fabrication in St. Catharines →
Custom grates, gates, bollards, and structural metalwork — fabricated and installed for contractors, property managers, and industrial sites.
Send photos, drawings, measurements, or a description. The Grate Guys can quote dunnage steel for St.
Backed by our workmanship warranty — we stand behind every job · Licensed, Insured & WSIB-Registered
We’ll review your details and follow up.
The Grate Guys provides dunnage steel — delivered and installed with quote-ready support across Toronto and surrounding Ontario communities.
Companies We've Worked With
The Grate Guys has fabricated grates, gates, bollards, and structural metalwork for recognized brands, institutions, and property groups across Ontario.
