Commercial Garage Door Repair and Replacement in London, Ontario

No matter what’s not working on your building’s garage door system, Stewart Overhead Door provides commercial garage door repair and service with the same support and technical expertise from your first call to the final fix.

Scheduling an appointment means getting a local, licensed company with expert technicians at your facility when you need them, no subcontractors, ever.

  • Licensed, branded technicians, no subcontractors
  • Commercial garage door replacement and repair, including garage door opener repair
  • After-hours emergency service for commercial customers
Commercial garage door repair

Commercial Garage Door and Opener Repair

From routine repairs to full replacements, our commercial garage door repair and service team keeps your facility running.

Broken Spring Repair

Sectional Door Repair and Replacement

Glass Garage doors for Automotive and Restaurants

Dock and Warehouse Doors

Rolling Steel Door Repair and Replacement

Rolling Grilles and Parking Garage Repair and Replacement

Rolling Fire Door Repair and Replacement

Fire Door Inspection and Testing

Counter Shutters Repair and Replacement

Security Shutters Repair and Replacement

Commercial, Industrial Garage Door Openers and Controls

24-Hour Emergency Service

our commercial & industrial Garage Door Repair Services

Commercial and industrial garage doors differ from residential ones in terms of size, materials, and frequency of use. The types of repairs a garage door company might make on these larger, more heavy-duty doors also vary. Here are common repairs your door may need:

Commercial garage doors rely on springs to lift heavy doors safely and efficiently. Over time, these springs can wear out or break, requiring professional attention.

  • Torsion Springs: Larger than residential springs, these handle the extra weight of commercial doors but can wear or break over time.
  • High-Cycle Springs: Designed for doors with frequent use (like warehouses or loading docks), these springs may need repair or replacement after extensive operation.

The size and weight of commercial garage doors can cause tracks to bend or become misaligned over time. Professional track repair and realignment ensures smooth, safe operation and prevents the door from sticking or malfunctioning.

Commercial and industrial garage doors rely on heavy-duty rollers and bearings to handle frequent, high-weight use. Worn or damaged rollers and bearings can make the door noisy, uneven, or unsafe. Our team can replace these components to restore smooth, reliable, and safe operation.

Commercial sectional doors, typically made of steel or other heavy-duty materials, can be damaged by impacts such as forklifts or equipment. Repairing or replacing damaged panels ensures your door remains secure, functional, and safe for daily operations.

Roll-up doors are widely used in commercial and industrial settings. Common issues include:

  • Bent or broken slats that need replacement
  • Drum and spring repairs, as the door winds around a drum when operating
  • Tension adjustments to ensure smooth opening and closing

Industrial garage door operators are built to handle heavy loads and constant cycles. Our technicians can repair or adjust components to keep your doors running smoothly and safely, including:

  • Motor replacement or repair
  • Remote control or access keypad fixes
  • Limit switch adjustments to control door travel
  • Chain, belt, or gear adjustments or replacements in high-torque openers

High-speed industrial doors, commonly found in cold storage or manufacturing facilities, require specialized maintenance to operate efficiently and safely. Our technicians handle:

  • Control panel repairs if the door malfunctions electronically
  • Sensor alignment to maintain proper safety and efficiency
  • Fabric or curtain repair for doors made of flexible materials

Loading dock doors experience heavy use and frequent impacts from trucks or equipment. Common repairs include:

  • Dock leveler repairs to address hydraulic or mechanical issues
  • Bumper replacements to protect the door and the surrounding structure
  • Seal replacements to maintain insulation and keep out weather and debris

Commercial doors are often constructed from steel or aluminum, and fire-rated doors must meet strict safety standards. Common repairs include:

  • Fire door drop testing and repairs to ensure compliance with safety codes
  • Frame adjustments or welding repairs for steel doors

Security shutters and grilles, commonly used in storefronts or parking garages, require regular maintenance to stay functional. Our services include:

  • Motor repairs for smooth operation
  • Track or guide replacements
  • Slat or grille section repairs

Commercial garage doors rely on heavy-duty weather seals to keep out dust, debris, and water. Over time, these seals can wear or crack, reducing insulation and protection. Replacing worn weather seals ensures your facility stays clean, dry, and energy-efficient.

Commercial garage doors often feature advanced safety systems, including sensors, alarms, and control panels. Proper maintenance and timely repairs are critical to ensure safe, secure operation, especially in high-traffic or busy facilities.

Industrial and commercial doors are often insulated to improve energy efficiency and reduce noise in busy facilities. Over time, insulation panels or layers can degrade, and replacement may be necessary to maintain proper climate control and a quieter work environment.

Overhead doors, commonly found in warehouses and large facilities, may sustain damage to their sections or frames from heavy equipment or everyday wear and tear. Professional repair ensures the door remains safe, secure, and fully operational.

AGRICULTURE Door Repair

Stewart Overhead Door provides fast, reliable agricultural door repair designed for the unique demands of farm environments. Our technicians are prepared to diagnose issues quickly, minimize downtime, and keep your equipment, livestock, and facilities protected. We’ll get your doors functioning safely and efficiently so you can get back to work.

Ready to get started?

Why Choose Stewart Overhead Door for Commercial Garage Door Repair

When your business is on the line, you need a team that shows up and gets it right. Here’s what sets our commercial garage door services apart.

  • Wide range of door types serviced, from sectional and rolling steel to fire doors and security shutters

  • Fire door inspection and testing included, so your facility stays code-compliant

  • Minimal downtime, with technicians who diagnose and repair on the spot when possible

  • Experience across industries, including retail, restaurant, industrial, and warehouse facilities

  • Preventive know-how, catching issues early to avoid repeat commercial garage door service calls

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