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 fabricates dunnage steel for Markham around the actual load, use, and environment of each site.
Markham dunnage steel work centres on rooftop units, chillers, and mechanical platforms. Elevated structural support for mechanical equipment above decks are the recurring drivers; each Markham order is sized to its own situation, not a one-size approach.
In Markham (York Region), dunnage steel demand is driven mainly by technology and ICT, advanced manufacturing and electronics, life sciences, finance and head offices, logistics. The work concentrates around Markham Centre, Buttonville / Allstate Parkway business area, Milliken / Steeles employment lands, Highway 404 / Woodbine corporate corridor. The area's anchors, including IBM Canada, AMD and Honeywell, Huawei Canada R&D, Aviva and corporate head offices, electronics and medical-device manufacturers, shape the kind of work Markham needs: load-rated, code-documented, and built for hard use.
Markham buildings vary widely — technology and ICT, advanced manufacturing and electronics, life sciences, finance and head offices, logistics — and the right dunnage steel approach changes with each. The Grate Guys reads the property before it scopes the order.
Markham is Canada's leading high-tech corporate hub, home to IBM Canada, AMD, Honeywell and Huawei R&D plus electronics and medical-device makers along the Highway 404 corridor; demand centres on architectural feature stairs, glass-rail systems, rooftop equipment screens and clean-manufacturing platforms rather than heavy industrial fabrication. The Grate Guys factors that into every Markham order — the assessment, the equipment, and the restoration plan all start from how Markham buildings actually fail.
Markham conditions shape the response: Canada's high-tech head-office hub favours architectural stairs, glass-rail and screening over heavy fab, electronics and clean-manufacturing plants need equipment platforms and rooftop screens, high-density Markham Centre drives finished architectural steel. The Grate Guys sets the gauge, material, and finish for those exact conditions on every Markham order, working to the measured opening rather than a regional default.
Turnaround on dunnage steel in Markham 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 Markham order on schedule without cutting the spec.
For Markham: we measure, detail, fabricate to the load and finish spec, and confirm the install — a controlled process from drawing to delivery.
On a typical Markham order the dunnage steel work covers rooftop units, chillers, and mechanical platforms around Markham Centre, each scoped to its own situation and recorded for the file. The Grate Guys also serves nearby the surrounding area, so projects spanning the surrounding area stay with one team.
For Markham work, nothing is guessed — The Grate Guys confirms the load, the opening, and the finish before fabrication, and supplies the drawings and material details the project file needs.
The Grate Guys earns Markham dunnage steel work the hard way — 5-10 business days, licensed, insured, and fully WSIB-covered crews, and real familiarity with Markham Centre, Buttonville / Allstate Parkway business area, Milliken / Steeles employment lands, Highway 404 / Woodbine corporate corridor rather than a one-size regional script.
Across Markham, The Grate Guys serves Markham Centre, Buttonville / Allstate Parkway business area, Milliken / Steeles employment lands, Highway 404 / Woodbine corporate corridor and every neighbourhood in between — no part of Markham 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.
Dunnage Steel is fabricated structural framing that elevates rooftop or floor-mounted mechanical equipment. For Markham projects, it's made to order for the actual opening, not a catalogue part.
Yes — we respond across Markham and the surrounding area. Response time is 5-10 business days.
Across Markham — the work concentrates around Markham Centre, Buttonville / Allstate Parkway business area, Milliken / Steeles employment lands, Highway 404 / Woodbine corporate corridor, each job scoped to its own conditions.
Mostly technology and ICT, advanced manufacturing and electronics, life sciences, finance and head offices, logistics — The Grate Guys serves commercial, industrial, and institutional sites across Markham.
In Markham, the work accounts for Canada's high-tech head-office hub favours architectural stairs, glass-rail and screening over heavy fab, electronics and clean-manufacturing plants need equipment platforms and rooftop screens, high-density Markham Centre drives finished architectural steel, so the gauge, material, and finish is matched to the site.
Mechanical equipment dead and operating loads. For Markham, every order is sized to the actual conditions.
The Grate Guys responds to Markham with 5-10 business days, covering Markham Centre, Buttonville / Allstate Parkway business area, Milliken / Steeles employment lands, Highway 404 / Woodbine corporate corridor and the surrounding area.
All of Markham — Markham Centre, Buttonville / Allstate Parkway business area, Milliken / Steeles employment lands, Highway 404 / Woodbine corporate corridor and the surrounding neighbourhoods — plus nearby the surrounding area.
Yes — The Grate Guys serves technology and ICT, advanced manufacturing and electronics, life sciences, finance and head offices, logistics across Markham, 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 Markham project and provides a clear, documented quote.
Yes — The Grate Guys assesses Markham dunnage steel on site and provides a documented scope before any work begins.
A 5-star Google rating, real knowledge of Markham — Markham Centre, Buttonville / Allstate Parkway business area, Milliken / Steeles employment lands, Highway 404 / Woodbine corporate corridor — 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 Markham.
Yes — The Grate Guys is 5-star-rated on Google, trusted by Markham 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 Markham site, not a fixed catalogue part.
Both — The Grate Guys fabricates the dunnage steel, delivers it across Markham 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 Markham. See all metal fabrication in Markham →
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 Markham — 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.