14-1645 Bonhill Road, Mississauga, ON

Overhead Doors in Ajax

Sectional, rolling steel and high-speed fabric doors — the commercial garage doors and roll-up doors on dock positions, plant bays, service bays and parking entrances across Ajax — supplied, installed and serviced on every make, with 24/7 dispatch from our shop at 14-1645 Bonhill Road, Mississauga.

Call 800-522-6825Request a quote

Recent overhead door projects near Ajax

These jobs are in neighbouring cities — the same crew and the same trucks cover Ajax.

  • Overhead Doors installed by Canuck Door Systems in Pickering

    Sectional overhead door

    Private client

    Pickering · 2026

  • Overhead Doors installed by Canuck Door Systems for Formtek Structures Inc in Toronto

    Sectional overhead door

    Formtek Structures Inc

    commercial client · Toronto · 2026

  • Overhead Doors installed by Canuck Door Systems for Allyant Design in Toronto

    Rolling steel door

    Allyant Design

    general contractor · Toronto · 2025

Overhead Doors across Ajax

We work throughout Ajax — Central Employment Area, GTA East Industrial Park, Lakeridge Logistics Centre, Audley Road North Business Park and the blocks around them. The buildings here are mostly logistics, warehousing, and storage, advanced manufacturing and retail trade and commercial services, and each puts different demands on a door: traffic volume, insurance and fire requirements, and how much downtime an opening can afford. Ajax’s 126,666 residents keep those buildings busy.

Population
126,666
Main industries
logistics, warehousing, and storage, advanced manufacturing, retail trade and commercial services and healthcare and institutional
Building stock
mega-warehouses and distribution facilities, food processing and cold storage facilities, light industrial and flex-space units and big-box retail and power centres
Business parks
Central Employment Area, GTA East Industrial Park, Lakeridge Logistics Centre and Audley Road North Business Park
Serving since
1979
  • Central Employment Area
  • GTA East Industrial Park
  • Lakeridge Logistics Centre
  • Audley Road North Business Park
  • Kingston Road Corridor

Broken overhead, rolling or high-speed door in Ajax: we dispatch 24/7.

Ajax is roughly a 55-minute run from our Mississauga shop — less if a technician is already in the area — so a truck is usually on site the same day.

Emergency board-up, security and make-safe first — permanent repair scheduled after.

Call 800-522-6825

The three overhead doors, and which one an opening in Ajax takes

Almost every commercial overhead opening is closed by one of three doors, and the building decides which, not taste. A sectional is hinged panels running up a track and folding back under the ceiling — the best-insulating door, and the usual answer at a dock position or a commercial garage. A rolling steel door is slats coiling into a barrel above the opening, so it fits where there is no room for a track. A high-speed fabric door is specified for how long the opening stands open. Most Ajax buildings have more than one.

The full guide

Garage door, roll-up door or dock door — what you call it in Ajax, and what it is

Most calls from Ajax do not say overhead door. They say garage door, roll-up, bay door or dock door, and the same opening can go by any of them. The name is not what decides the repair or the replacement; the door is, so a photograph of it is the first thing we ask for.

The full guide

The high-speed doors, and which kind an opening needs

A high-speed door is justified by cycle time, not purchase price: how long the opening stands open, times how often, times what crosses it. Where that is large — a plant aisle, a cooler entrance — it pays for itself on energy, contamination or throughput. Where it is not, it is the dearest way to shut an opening.

The full guide

The operator is a separate decision from the door

What moves the door is quoted, installed and repaired separately from it, and chosen on the same thing: the room around the opening. It also carries the one requirement on this page that is not a preference.

Commercial door operators & motors

What an overhead door costs in Ajax, and when we can be on site

There is no list price, because there is no stock door: every one is built to a measured opening. Two things are worth knowing first — what moves the number, and how long it takes.

The full guide

After hours, when the door will not close

A door stuck open is a building that cannot be secured; a door stuck shut is a bay that cannot ship. Both are the same phone call, and most are one of these four — the commonest being a door driven into rather than a door worn out. None is a reason to force it.

Overhead door repair, 24/7

Related overhead work in Ajax

Commercial overhead doors in full

Commercial sectional overhead door installed by Canuck Door SystemsRolling steel door installed by Canuck Door SystemsA blue high-speed fabric door with a full-width vision panel, closed across an opening in a food plant — an SDI product photograph of the type of door we supply and service
Commercial sectional overhead door · Rolling steel door · High-speed fabric door — SDI’s own photograph, not one of our installations

Overhead doors for the work Ajax buildings do

The sectors that dominate Ajax — logistics, warehousing, and storage, advanced manufacturing, retail trade and commercial services — each move something different through the opening, at a different rate.

Logistics, warehousing, and storage

A dock is the one place a door earns its money by the cycle: insulated sectionals at the levelers, glazed top panels so a driver can see the apron, and a high-speed door on the aisle behind them where the traffic never stops. Portfolios of twenty identical openings are quoted per door across the building, which is a different number from one door at a time.

Advanced manufacturing

Plant bays are where the sectional runs out of room. Structure, ducting and crane rail eat the headroom a horizontal track needs, and a rolling steel curtain coiling into a barrel above the opening is often the only door that fits. Cycle counts here are what set the spring or barrel rating, not the size of the leaf.

Retail trade and commercial services

Retail overhead work is the back of the building, not the front: a receiving door onto the service court, and a drive-through or car-wash bay on a quick-service site. Both are exterior openings on a wall the public can see, so the finish matters more than it does on a plant, and a stuck door means deliveries stack up in the lane.

Healthcare and institutional

A hospital or clinic runs its overhead doors out of sight — receiving, the waste dock, central stores, the generator bay. They are on the same 24-hour footing as the rest of the building, which is why they get a maintenance schedule rather than a repair call: an opening that will not close is a security and an infection-control problem at once.

Food & pharma processing

This is the one sector that buys high-speed doors for a reason other than traffic. A fabric curtain that clears the opening in seconds keeps a temperature zone, a pressure differential or a dust separation intact in a way a slow door cannot, and the self-repairing kind gets back into its guides after a pallet truck clips it instead of stopping the line.

Offices & business parks

What an office building has is a parking entrance and a loading door in the P1 level, and both are usually the least maintained doors on the site until one of them jams. Headroom below a slab is the constraint, so these are often low-headroom track or a rolling curtain, and the gate at the ramp is on its own cycle count in the thousands.

Get an overhead door quoted in Ajax

Give us the opening width and height, how much room there is above it and to each side, and whether the space behind it is heated — that is enough to say which door it takes and to price it. Doors on a loading dock or in a drive-through are usually quoted per opening across the building. Door stuck open or shut? Call 800-522-6825 — the line is answered 24 hours.

Photos or shop drawings are enough to quote from, and most quotes go out within a day to a week. One-year warranty on products, three months on labour. BBB Rating A+.

Broken door right now? Call 800-522-6825 — we dispatch 24/7.

Common questions about overhead doors

Can you replace a door without closing the building?

Yes, and it is normal. Openings come out of service one at a time, and the work is scheduled around your shifts — commonly overnight or at a weekend. A like-for-like replacement into a sound opening is usually a day per door. What extends it is structural work on the jambs or header, which we identify at the measure rather than discovering on the day.

Can you service doors you did not install?

Yes — that is most of our overhead work. Springs, cables, rollers, hinges, tracks, seals, operators and sections are all replaceable regardless of who supplied the door, including on brands no longer manufactured. On a very old door we will tell you honestly when parts are costing more than a replacement would, rather than keep selling repairs on something at the end of its life.

Do commercial overhead doors need safety devices?

Any powered door needs to be safe to be under, and that means entrapment protection — photo eyes across the opening, a reversing edge on the bottom bar, or both, plus controls positioned so the operator can see the door. Under Ontario's Occupational Health and Safety Act, equipment in a workplace has to be maintained and capable of its job; a powered door with defeated safety devices is neither. We test the safety devices on every service visit, and we will not leave a powered door in service with them bypassed.

Request a quote

Tell us about the opening

Name, phone and email so we can reach you — tell us about the door and the quote comes back firmer and faster. We reply the same day.

Photos or shop drawings are enough to quote from, and most quotes go out within a day to a week. One-year warranty on products, three months on labour. BBB Rating A+.

Broken door right now? Call 800-522-6825 — we dispatch 24/7.