Built to spec
Fabricated from your measurements, drawings, and site conditions — not a stock part forced to fit.
Drainage Grates are custom-fabricated metal grates engineered to carry traffic loads while providing drainage, access, or debris control.
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.
Drainage Grates are custom-fabricated metal grates engineered to carry traffic loads while providing drainage, access, or debris control. The Grate Guys fabricates drainage grates for Oshawa around the actual load, use, and environment of each site.
Most Oshawa drainage grates jobs involve drainage channels, access openings, and load-bearing covers. The recurring drivers are broken or rusted grates, poor fit, ponding water, and unsafe gaps — each Oshawa order is scoped to its own situation rather than a standard package.
What drives drainage grates in Oshawa (Durham Region) is automotive assembly and parts, advanced and electric-vehicle manufacturing, energy and nuclear supply chain, logistics and port operations, post-secondary research. Activity clusters in Oshawa Assembly campus, Oshawa Executive industrial lands, Stevenson Road / Farewell industrial area, Port of Oshawa / harbour lands. Oshawa's industrial and commercial base — the manufacturing, logistics, and institutional sites concentrated around operations like General Motors of Canada (Oshawa Assembly), GM truck plant suppliers, Ontario Tech University, Port of Oshawa, Durham auto-parts firms — drives steady demand across very different specs.
Across Oshawa, drainage grates covers a real range of property — automotive assembly and parts, advanced and electric-vehicle manufacturing, energy and nuclear supply chain, logistics and port operations, post-secondary research. Each calls for a different response, so The Grate Guys scopes every Oshawa order to the building and its use rather than one playbook.
Oshawa remains Canada's GM town, with the Oshawa Assembly plant now building pickup trucks and supplying a deep automotive parts ecosystem, alongside the Port of Oshawa and Ontario Tech research, driving heavy demand for stamping-press and line-support steel, conveyor framing, machine guarding, mezzanines, and industrial trench grating. Each Oshawa order is scoped around exactly those conditions, so nothing about the building or the neighbourhood is treated as a generic case.
Oshawa conditions shape the response: heavy truck-plant line-support and stamping-press steel, automotive OEM fabrication tolerances, Lake Ontario port and harbour corrosion, large-bay structural steel for assembly facilities. Each Oshawa order has the gauge, material, and finish chosen for that environment, matched to the site instead of a one-size approach.
The Grate Guys keeps Oshawa drainage grates moving — roughly 5-10 business days from quote to delivery, built to spec and delivers and installs it on site.
The Grate Guys builds each Oshawa order from field measurements, fabricates and finishes in the shop, and checks it against the opening before it leaves.
On a typical Oshawa order the drainage grates work covers drainage channels, access openings, and load-bearing covers around Oshawa Assembly campus, 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 Oshawa 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.
For drainage grates in Oshawa, owners and managers pick The Grate Guys for the mix of 5-10 business days, licensed, insured, and fully WSIB-covered work, 5-star-rated on Google, and ground-level knowledge of Oshawa Assembly campus, Oshawa Executive industrial lands, Stevenson Road / Farewell industrial area, Port of Oshawa / harbour lands.
The Grate Guys covers all of Oshawa — including Oshawa Assembly campus, Oshawa Executive industrial lands, Stevenson Road / Farewell industrial area, Port of Oshawa / harbour lands. Wherever the drainage grates 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, Drainage Grates are custom-fabricated metal grates engineered to carry traffic loads while providing drainage, access, or debris control. For Oshawa projects, it's made to order for the actual opening, not a catalogue part.
Yes — we respond across Oshawa and the surrounding area. Response time is 5-10 business days.
Across Oshawa — the work concentrates around Oshawa Assembly campus, Oshawa Executive industrial lands, Stevenson Road / Farewell industrial area, Port of Oshawa / harbour lands, each job scoped to its own conditions.
Mostly automotive assembly and parts, advanced and electric-vehicle manufacturing, energy and nuclear supply chain, logistics and port operations, post-secondary research — The Grate Guys serves commercial, industrial, and institutional sites across Oshawa.
In Oshawa, the work accounts for heavy truck-plant line-support and stamping-press steel, automotive OEM fabrication tolerances, Lake Ontario port and harbour corrosion, large-bay structural steel for assembly facilities, so the gauge, material, and finish is matched to the site.
Pedestrian to AASHTO H-20 vehicular, chosen for the Oshawa job rather than a default.
The Grate Guys responds to Oshawa with 5-10 business days, covering Oshawa Assembly campus, Oshawa Executive industrial lands, Stevenson Road / Farewell industrial area, Port of Oshawa / harbour lands and the surrounding area.
All of Oshawa — Oshawa Assembly campus, Oshawa Executive industrial lands, Stevenson Road / Farewell industrial area, Port of Oshawa / harbour lands and the surrounding neighbourhoods — plus nearby the surrounding area.
Yes — The Grate Guys serves automotive assembly and parts, advanced and electric-vehicle manufacturing, energy and nuclear supply chain, logistics and port operations, post-secondary research across Oshawa, 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 Oshawa project and provides a clear, documented quote.
Yes — The Grate Guys assesses Oshawa drainage grates on site and provides a documented scope before any work begins.
A 5-star Google rating, real knowledge of Oshawa — Oshawa Assembly campus, Oshawa Executive industrial lands, Stevenson Road / Farewell industrial area, Port of Oshawa / harbour lands — 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 Oshawa job.
Yes — The Grate Guys is 5-star-rated on Google, trusted by Oshawa property owners, managers, and contractors for documented, on-spec work.
Steel, galvanized steel, aluminum, or stainless, available raw, galvanized, or powder-coated — matched to the load and environment of each Oshawa site, not a fixed catalogue part.
Both — The Grate Guys fabricates the drainage grates, delivers it across Oshawa 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 Oshawa. See all metal fabrication in Oshawa →


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 drainage grates for Oshawa — 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 drainage grates — 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.