Your Steel & Rolling Door Experts in Ajax & Oshawa

Durham Doors helps keep your operation going with sectional, fireproof, and rolling steel doors, for high-volume and high-use applications. These are perfect for car dealerships, apartment trolleys, rapid lubes, and shipping docks.

For fast, friendly, expert service—call Durham Doors today!

Sell & Install

Call Durham Doors for a garage door opener you can depend on for quiet, powerful and consistent operation. Interested in smart house technology for your garage door opener? Ask us about our selections of openers with mobile apps and intelligent communication.

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Our Brands

Thermatite Series by Richards-Wilcox

The Thermatite Series product line is stocked in over 100 door system manufacturing centres globally. This very rigid, energy-saving and long-lasting door system has a high strength to weight ratio, making it a great choice for a range of applications.


  • Produced on a continuous polyurethane production line, utilizing the latest in rigid foam technology.
  • Door system manufacturing centres support door system engineering and manufacturing.
  • Door system manufacturing centres provide immediate delivery for new installations, retrofit and individual door section replacements of any size.

Alumatite by Richards-Wilcox

Richards-Wilcox Alumatite sectional doors are an attractive solution where unobstructed visibility is required. Designed to withstand the rigors of busy service centres, these doors are available for openings up to 16′ wide and 16′ in height.

The integral horizontal reinforcing trusses and dual seals between the sections are just two of the standard features that set them apart from other doors available on the market today. All Alumatite doors are manufactured from 6063-T6 high quality aluminum alloy extrusions and a standard finish of clear anodized or Duracron thermal setting white enamel. Custom finishes are also available.

Intellicore Insulated Doors

Secure, Durable and Energy Efficient

Polystyrene Insulated Doors

Durable, Secure and Energy Efficient

Cloplay Models 3728, 3729

Ease of Maintenance, Versatility and Durability

Specialty Products for Unique Applications

Mullions, Pass Doors, Breakaway Sections


Constructed from the highest quality materials, the Thermalex® Series is specifically designed for commercial and industrial applications – delivering remarkable performance, long-lived durability, outstanding utility features and excellent energy efficiency.

Not only does the Thermalex® Series represent exceptional value at purchase, it helps save money by preventing heat loss during its long lifespan. Thermalex® is available as a complete system that includes track, hardware and springs.


The Solalite™ garage door is the epitome of relentless performance. Designed for customers who demand a door that resists high impacts, corrosion and moisture infiltration, it can withstand the most challenging weather conditions. Ideal for cold weather climates, the optional thermally broken frame inhibits cold transfer from the outside of the door through to the inside face. Solalite™ is a smart choice for car washes, automotive dealerships, agricultural applications, busing facilities, underground parking facilities and more.



Manufactured since 1976, Upwardor’s AL-976™ Aluminum Door offers a variety of options where superior strength, maximum visibility and unlimited light transmission are required. Its unique and durable design allows customized configurations for openings up to 7.3 m (24 ft.) wide. The AL-976™ is used in a wide variety of applications.

24/7 Repairs for Your Garage Door Opener in Ajax or Oshawa

Why replace your garage door opener when it can be repaired? Durham Doors offers you the less expensive option because we accurately diagnose your opener’s problem. With up-to-date knowledge about many makes and models, our technicians are prepared to get your garage door opener working properly.

Available for emergency repairs in the Durham Region, our staff is ready to take your call 24 hours a day, 7 days a week. We provide a quoted estimate, and our repairs come with a comprehensive warranty which covers all parts and labour.

Call us today for solutions to your garage door opener problems, including:

  • Frayed cable

  • Door not closing completely

  • Failure or misalignment of photo eye sensors

  • Loud noise from the garage door opener

  • Inconsistent or no response to your remote

  • Motor does not stop running