Built to spec
Fabricated from your measurements, drawings, and site conditions — not a stock part forced to fit.
Channel Drains are continuous trench-style channels fabricated to capture and convey surface runoff along a linear path.
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.
Channel Drains are continuous trench-style channels fabricated to capture and convey surface runoff along a linear path. For Unionville work, The Grate Guys builds channel drains to order from field dimensions, not a catalogue.
Most Unionville channel drains jobs involve parking lots, driveways, and wash bays. Sheet-flow control, ponding, and linear water capture are the recurring drivers; each Unionville order is sized to its own situation, not a one-size approach.
What drives channel drains in Unionville (York Region (Markham)) is Corporate office and tech campuses, retail and hospitality, heritage main-street commercial, mixed-use and condo development. Most of it sits around Markham Centre/Downtown Markham, Main Street Unionville heritage district, Highway 7/Warden corporate corridor, Enterprise Boulevard. Much of the demand tracks Unionville's industrial corridors near operations like Markham tech and head offices (IBM Canada-area campuses, AMD/ATI legacy), banks and financial back-office, hospitality and retail, condo developers around Downtown Markham — heavy commercial and institutional sites, no two with the same spec.
Because Unionville spans Corporate office and tech campuses, retail and hospitality, heritage main-street commercial, mixed-use and condo development, channel drains is never one-size: The Grate Guys fits the method to the building type, age, and use on every order.
Unionville pairs a historic Main Street heritage district with the glass-tower density of Downtown Markham and the Highway 7 tech corridor, where corporate campuses and condo developments drive demand for architectural and ornamental railings, decorative bollards, glass guards and parkade trench grates to Markham design-review standards. The Grate Guys factors that into every Unionville order — the assessment, the equipment, and the restoration plan all start from how Unionville buildings actually fail.
Unionville conditions shape the response: Heritage main street and high-end mixed-use builds drive ornamental and architectural railings, decorative guards and bollards, plus parkade trench grates for Markham Centre towers to OBC and design-review standards. So The Grate Guys matches the gauge, material, and finish to the site, and a Unionville order rarely needs the same approach as a standard property.
The Grate Guys keeps Unionville channel drains moving — roughly 5-10 business days from quote to delivery, built to spec and delivers and installs it on site.
On Unionville work the sequence is fixed: confirm dimensions, cut and weld to the drawing, apply the finish, then verify the fit on site.
A typical Unionville channel drains order pairs the work with local conditions: parking lots, driveways, and wash bays around Markham Centre/Downtown Markham. The Grate Guys tailors each order to the situation and documents it for the file. The Grate Guys also serves nearby the surrounding area, so projects spanning the surrounding area stay with one team.
For Unionville 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.
What keeps The Grate Guys busy with Unionville channel drains: fast 5-10 business days, licensed, insured, and fully WSIB-covered work, 5-star-rated on Google, full documentation, and a team that knows Markham Centre/Downtown Markham, Main Street Unionville heritage district, Highway 7/Warden corporate corridor, Enterprise Boulevard firsthand.
From Markham Centre/Downtown Markham, Main Street Unionville heritage district, Highway 7/Warden corporate corridor, Enterprise Boulevard to the rest of Unionville, The Grate Guys brings the same channel drains response to every Unionville neighbourhood.
Clean fabrication and a tidy install — coordinated with concrete, drainage, doors, and surrounding work, and completed to code where site work is in scope.
In short: Channel Drains are continuous trench-style channels fabricated to capture and convey surface runoff along a linear path. For Unionville projects, it's made to order for the actual opening, not a catalogue part.
Yes — we respond across Unionville and the surrounding area. Response time is 5-10 business days.
Across Unionville — the work concentrates around Markham Centre/Downtown Markham, Main Street Unionville heritage district, Highway 7/Warden corporate corridor, Enterprise Boulevard, each job scoped to its own conditions.
Mostly Corporate office and tech campuses, retail and hospitality, heritage main-street commercial, mixed-use and condo development — The Grate Guys serves commercial, industrial, and institutional sites across Unionville.
In Unionville, the work accounts for Heritage main street and high-end mixed-use builds drive ornamental and architectural railings, decorative guards and bollards, plus parkade trench grates for Markham Centre towers to OBC and design-review standards, so the gauge, material, and finish is matched to the site.
Light to heavy vehicular loading, chosen for the Unionville job rather than a default.
The Grate Guys responds to Unionville with 5-10 business days, covering Markham Centre/Downtown Markham, Main Street Unionville heritage district, Highway 7/Warden corporate corridor, Enterprise Boulevard and the surrounding area.
All of Unionville — Markham Centre/Downtown Markham, Main Street Unionville heritage district, Highway 7/Warden corporate corridor, Enterprise Boulevard and the surrounding neighbourhoods — plus nearby the surrounding area.
Yes — The Grate Guys serves Corporate office and tech campuses, retail and hospitality, heritage main-street commercial, mixed-use and condo development across Unionville, 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 Unionville project and provides a clear, documented quote.
Yes — The Grate Guys assesses Unionville channel drains on site and provides a documented scope before any work begins.
A 5-star Google rating, real knowledge of Unionville — Markham Centre/Downtown Markham, Main Street Unionville heritage district, Highway 7/Warden corporate corridor, Enterprise Boulevard — 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 Unionville job.
Yes — The Grate Guys is 5-star-rated on Google, trusted by Unionville property owners, managers, and contractors for documented, on-spec work.
Galvanized steel and stainless steel, available raw, galvanized, or powder-coated — matched to the load and environment of each Unionville site, not a fixed catalogue part.
Both — The Grate Guys fabricates the channel drains, delivers it across Unionville 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 Unionville. See all metal fabrication in Unionville →


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 channel drains for Unionville — 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 channel drains — 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.