Looking for a new garage door in Oldcastle?

Contact us for all your garage door needs


Oldcastle Overhead Door - Prestige XL, 9' x 7', Ice White, 8 lite Orion windows

Monday – Friday from 8:00 AM to 4:30 PM for Parts

8:00 AM to 5:00 PM for sales

Saturday – Closed

(Oldcastle location only - by appointment)


Monday – Friday from 8:00 AM to 4:30 PM for Parts

8:00 AM to 5:00 PM for sales

Saturday – Closed

(Oldcastle location only - by appointment)


Why is Dor-Co Garage Doors the best garage door company in Oldcastle?

Well established in Canada since 1976, Dor-Co Garage Doors is THE expert in residential and commercial overhead garage doors. If you are planning to buy a new garage door around Oldcastle, please contact us at 519-737-6915.

3 offices across Ontario

We have opened three physical offices across Ontario. However, if you reside in Oldcastle or its surroundings, the closest office to you is certainly here in Oldcastle, where our amin office is located.

Opened 6 days a week in Oldcastle

While our offices in Sarnia and Chatham are open during business days, our main building in Oldcastle is open one more day, on Saturday.

We work with LiftMaster

We offer the best garage door opener in Canada with our overhead doors. LiftMaster is a trusted brand among our customers. Depending on the model, your garage door opener could be controlled by a remote or from your phone. LiftMaster also offer a warranty on some model’s motor or belt.

Consider the weather in Oldcastle

Here in Canada, winters can be rough. We design our doors with weather in consideration. You can choose a garage door with R-12 or R-16 insulation. To have more information on the R-value, take a look at our FAQ on the subject.

What type of overhead door suits you best in Oldcastle?

We know how this can be a hard question. That’s why our experts are here. A garage door will last for years, you must make a good choice. With years of experience, they are in the best position to help you, both in the choice of the door and in its installation.

Like a classic style? Take a Traditional design

Garage door in Oldcastle - Standard+ Classic CC, 9' x 7', Ice White

Visit our photo gallery of Traditional designs

You want to be a step forward in fashion? Choose a Contemporary design

Overhead door Oldcastle - Cambridge CL, 14' x 7', Ice White door and overlays, Clear Panoramic windows

Visit our photo gallery of Contemporary designs

You like the farmhouse style? Look at our Carriage designs

Overhead Garage door Oldcastle - Standard+ Shaker-Flat XS, 9' x 7', Desert Sand, Clear windows

Visit our photo gallery of Carriage House designs

Oldcastle garage door - Design Centre Icon - Moderno Multi

Use our Design Centre to build the garage door that will be the best match for your home. Try different colors, windows, etc.

Build your garage door

To know the price of a

dream garage door design

Get your quote

Dollar icon

Why a quote? The price of a door varies upon chosen components. Learn more

Area Served

We serve Toronto, Montréal, Vancouver, Calgary, Edmonton, Ottawa, Gatineau, Winnipeg, Québec, Hamilton, Kitchener, Cambridge, Waterloo, and more including all Canada neighborhoods.

We also service Essex Country, Leamington, Tecumseh, Lakeshore, Chatham-Kent, Windsor, Chatham, Sarnia.

Pointer Map-A Windsor, Ontario
Drive 12.0 km, 17 min
1. Head northwest on Maiden Ln E toward Ouellette Ave

80 m

2. Turn left onto Ouellette Ave

4.0 km

3. Ouellette Ave turns slightly left and becomes Dougall Ave

3.8 km

4. Use the right lane to take the Howard Avenue S ramp to ON-3/County Road 3

400 m

5. Merge onto Howard Ave/County Rd 9

220 m

6. Turn left onto N Talbot Rd

3.1 km

7. Turn right onto Brendan Ln

350 m

Pointer Map-B Dor-Co Garage Doors, 5340 Brendan Ln, Oldcastle, ON N0R 1L0

Copyright Garaga Inc. | Privacy Policy and Conditions of Use | Sitemap