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. The Grate Guys treats each Whitby dunnage steel job as its own spec — opening, load, and finish, measured first.
Most Whitby dunnage steel jobs involve rooftop units, chillers, and mechanical platforms. Elevated structural support for mechanical equipment above decks are the recurring drivers; each Whitby order is sized to its own situation, not a one-size approach.
Demand for dunnage steel in Whitby (Durham Region) comes mostly from Advanced manufacturing, automotive and EV supply, logistics and distribution, food and beverage, port and marine activity at Whitby Harbour. The work concentrates around Whitby Industrial Park (south of 401), Thickson Road industrial corridor, Brock Street/Consumers Drive commercial area, Port Whitby Marina lands. The area's anchors, including Sofina Foods (Lakeside), 3M Canada-area operations, GE/automotive suppliers, distribution and 3PL warehouses, port and marina operators, building-products firms, shape the kind of work Whitby needs: load-rated, code-documented, and built for hard use.
Because Whitby spans Advanced manufacturing, automotive and EV supply, logistics and distribution, food and beverage, port and marine activity at Whitby Harbour, dunnage steel is never one-size: The Grate Guys fits the method to the building type, age, and use on every order.
Whitby blends a Highway 401 industrial corridor along Thickson Road with the Lake Ontario harbour, where Sofina Foods, automotive and EV-supply manufacturers and distribution warehouses drive demand for loading-dock steel, mezzanines, bollards and guard rail, while Port Whitby adds galvanized marine railings and dock fabrication. The Grate Guys factors that into every Whitby order — the assessment, the equipment, and the restoration plan all start from how Whitby buildings actually fail.
In Whitby, the work has to account for Distribution and manufacturing base drives dock equipment, mezzanines, guard rail and bollards; lakeshore/harbour setting adds galvanized marine railings and dock steel; food plants need stainless washdown fabrication. Each Whitby order has the gauge, material, and finish chosen for that environment, matched to the site instead of a one-size approach.
Turnaround on dunnage steel in Whitby 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 Whitby order on schedule without cutting the spec.
On Whitby work the sequence is fixed: confirm dimensions, cut and weld to the drawing, apply the finish, then verify the fit on site.
Representative Whitby work: dunnage steel for rooftop units, chillers, and mechanical platforms, often near Whitby Industrial Park (south of 401) — 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.
Each Whitby order leaves the shop with its spec verified — gauge, coating, and load rating set to the application and recorded, so what arrives on the Whitby site matches what was quoted.
Across Whitby, 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 Whitby Industrial Park (south of 401), Thickson Road industrial corridor, Brock Street/Consumers Drive commercial area, Port Whitby Marina lands and how local buildings fail.
Across Whitby, The Grate Guys serves Whitby Industrial Park (south of 401), Thickson Road industrial corridor, Brock Street/Consumers Drive commercial area, Port Whitby Marina lands and every neighbourhood in between — no part of Whitby is too far for dunnage steel.
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 Whitby projects, it's made to order for the actual opening, not a catalogue part.
Yes — we respond across Whitby and the surrounding area. Response time is 5-10 business days.
Across Whitby — the work concentrates around Whitby Industrial Park (south of 401), Thickson Road industrial corridor, Brock Street/Consumers Drive commercial area, Port Whitby Marina lands, each job scoped to its own conditions.
Mostly Advanced manufacturing, automotive and EV supply, logistics and distribution, food and beverage, port and marine activity at Whitby Harbour — The Grate Guys serves commercial, industrial, and institutional sites across Whitby.
In Whitby, the work accounts for Distribution and manufacturing base drives dock equipment, mezzanines, guard rail and bollards; lakeshore/harbour setting adds galvanized marine railings and dock steel; food plants need stainless washdown fabrication, so the gauge, material, and finish is matched to the site.
Mechanical equipment dead and operating loads, chosen for the Whitby job rather than a default.
The Grate Guys responds to Whitby with 5-10 business days, covering Whitby Industrial Park (south of 401), Thickson Road industrial corridor, Brock Street/Consumers Drive commercial area, Port Whitby Marina lands and the surrounding area.
All of Whitby — Whitby Industrial Park (south of 401), Thickson Road industrial corridor, Brock Street/Consumers Drive commercial area, Port Whitby Marina lands and the surrounding neighbourhoods — plus nearby the surrounding area.
Yes — The Grate Guys serves Advanced manufacturing, automotive and EV supply, logistics and distribution, food and beverage, port and marine activity at Whitby Harbour across Whitby, 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 Whitby project and provides a clear, documented quote.
Yes — The Grate Guys assesses Whitby dunnage steel on site and provides a documented scope before any work begins.
A 5-star Google rating, real knowledge of Whitby — Whitby Industrial Park (south of 401), Thickson Road industrial corridor, Brock Street/Consumers Drive commercial area, Port Whitby Marina lands — 5-10 business days, work that is licensed, insured, and fully WSIB-covered, and full documentation on every order.
Every order is backed: a 2-year warranty. The Grate Guys is licensed, insured, and fully WSIB-covered across Whitby.
Yes — The Grate Guys is 5-star-rated on Google, trusted by Whitby 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 Whitby site, not a fixed catalogue part.
Both — The Grate Guys fabricates the dunnage steel, delivers it across Whitby 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 Whitby. See all metal fabrication in Whitby →
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 Whitby — fabricated to spec, licensed, insured, and WSIB-covered.
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.
