Where you’ll find your garage door, opener, and repair specialist

Dor‑Co Garage Doors for all of your garage door needs
In business since 1976, Dor‑Co Garage Doors is the area’s leading overhead door specialists. We install and repair both commercial and residential garage doors. Whether you’re planning a new construction or you’re in the middle of a renovation, our trained staff can successfully complete your overhead door installation.
At Dor‑Co Garage Doors, we carry products made by Garaga, C.H.I. Overhead Doors, Steel-Craft and more. We believe these manufacturers are the best choice for your next garage door for many reasons. To see our wide range of garage door styles, please visit our image gallery.
Dor‑Co Garage Doors has three Ontario locations to better serve all of our customers. Come and visit our showroom in Oldcastle, Chatham or Sarnia. You may also call us toll-free at 1-800-590-4455 to make an appointment or schedule a service call. Or for a free estimate, please complete our online quotation form. We look forward to serving you!
Count on LiftMaster automatic garage door openers
Garage doors are typically the largest moving part of a home or building. Without an automatic door opener, they can be quite difficult to open or close. At Dor‑Co Garage Doors, we believe choosing the right door opener is just as important as the door itself. That’s why we recommend LiftMaster door openers to all of our customers.
LiftMaster products are number one in the industry. Made by the Chamberlain Group, these automatic door openers are built to last. Their motors are powerful yet quiet, making them a great choice. LiftMaster openers can be customized with a wide range of accessories including smartphone connectivity and security systems.
To see which opener is best for your commercial or residential garage door system, please see the specifications listed in our door opener section. You may also visit one of our showrooms – our experts will be happy to provide you with personalized advice!
Customer service is our top priority
At Dor‑Co Garage Doors, we know excellent service is of upmost importance to our customers. With over 40 years in the industry, our experience sets us apart from the competition. Our knowledgeable staff will ensure your new garage door is properly installed.
Our team is growing to meet our customers’ needs. We now have 15 service vehicles operating out of our three locations to provide installation, repair and maintenance services, including 24 hour emergency assistance (Oldcastle and Chatham only). To keep your overhead doors in perfect working condition, we recommend an annual preventative maintenance program. Contact us to learn more about our plans and services.
Our team serves clients throughout Southwestern Ontario, including Oldcastle - Windsor, Essex County area, Chatham, Kent County area and Sarnia, Lambton County area. Call us or come and see us today! Oldcastle: 5340 Brendan Lane, R.R. #1, Oldcastle, Ont. N0R 1L0, 519-737-6915 Chatham: 698 Grand Ave. East, Chatham, Ont. N7L 1X6, 519-352-5200
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Garage door
I called for assistance after my garage door came apart at the wall. The manager assured me someone would assist us since the car was in the garage. Within an hour the the service technician was there… Read more I called for assistance after my garage door came apart at the wall. The manager assured me someone would assist us since the car was in the garage. Within an hour the the service technician was there and started to fix the problems. He was knowledgeable, quick and very professional. In fact, he tightened, lubricated and repaired several items. Now our door is so quiet and smooth it's like new. Very reasonable as well. Thank you Dor Co.
Great Service People
My door was installed on time and quickly and the tech was friendly and even helped me with a problem i had with my other opener. Highly recommend Dorco, this is the second home i have had them out to… Read more My door was installed on time and quickly and the tech was friendly and even helped me with a problem i had with my other opener. Highly recommend Dorco, this is the second home i have had them out to do work
Amazing Garage Door Service
Dorco was fantastic to work with. Their response time was very fast and I was able to get a quote and schedule installation immediately. The installers were very professional and efficient and the… Read more Dorco was fantastic to work with. Their response time was very fast and I was able to get a quote and schedule installation immediately. The installers were very professional and efficient and the quality of the door is great. Would recommend to anybody looking for a new garage door or service to their current one!
Very Satisfied
We were very happy with the service provided for our garage door spring that needed repair. Adam was prompt, courteous and professional. He repaired the problem quick and did a very good job and was… Read more We were very happy with the service provided for our garage door spring that needed repair. Adam was prompt, courteous and professional. He repaired the problem quick and did a very good job and was very knowledgable with the repair that was completed. We want to thank you for helping us in solve our problem fast and professionally.
Excellent Professional Service
Great experience from start to finish. Customer Service person that answered my call was helpful and caring, making sure we were able to get into our garage as the main spring and both cables had…
Read more
Great experience from start to finish. Customer Service person that answered my call was helpful and caring, making sure we were able to get into our garage as the main spring and both cables had broken. She got us on their repair board ASAP and they were actually able to send a tech a day before they had originally promised.
When Warren arrived to fix the problem he was very professional and had a “can-do” attitude.
Thanks Warren and the Door-Co Team for a job well done at a fair price.
Areas served by our team of professionals
Near me in Canada: Lakeshore, Leamington, Essex, Oldcastle, Tecumseh, Windsor and all Essex County area, Chatham, Chatham-Kent, and all Kent County area, LaSalle, Sarnia and all Lambton County area