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Dor-Co Garage Doors

Garage Door Sales & Installation

About Us

Established since 1976, Dor-Co Garage Doors, is under the direction of local owner Jerry Cousineau. Dor-Co's featured products include garage doors, door & gate operators, sectional doors, dock levelers, dock seals, rapid roll doors, automated doors, garage door openers, bug screens, keyless entry systems and more. We offer the best in garage door products from Garaga, C.H.I, Amarr, Blue Giant, Pentalift, Liftmaster, Besam, Albany International and more for Industrial, Commercial and Residential Applications We offer Overhead Doors in Steel, Aluminum, Rolling Steel, Insulated and Non-Insulated, Truck Doors, Sliding Barn Door Hardware, Dock Levelers, Folding Room Dividers, PVC Strip Doors, Toilet Partitions and we repair truck doors as well. The people at Dor-Co Garage Doors will offer good advice for the do-it-yourselfer, to help make installing these products less of a chore. If you prefer, our trained staff can install it for you! Anything you need for your garage door..... think of Dor-Co Garage Doors. We offer sectional replacement and repair to all types of overhead doors. Like most moving equipment, your garage door and/or electric opener consists of bearings and many moving parts that require lubrication and maintenance to enable you to operate your door Safely. Garage door springs, and the cables and other hardware attached to the springs are under very high tension. If handled improperly can cause serious injury! We now offer 3 locations to serve you: Oldcastle in Essex County area, Chatham in Kent County area & Sarnia in Lambton County area. Visit our contact us page for locations and directions to our Garage Door offices & showrooms.

Services Provided

Custom Garage Doors, Garage Door Installation, Garage Door Repair, Garage Door Sales, Garage Door Maintenance, Garage Door Parts, Garage Door Opener Sales, Garage Door Opener Installation, Garage Door Opener Repair, Garage Door Opener Parts, Garage Door Opener Remotes & Keypads

Areas Served

Chatham, Sarnia, Windsor, Essex, Kent, Lambton, Oldcastle


Chatam Kent home Builders Association Inc, Canadian Door Institute, IDA, Garaga Expert, BBB Accredited Business, Windsor Construction Association, AAADM, Greater Windsor Home Builders Association Inc. CFIB

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Contact Dor-Co Garage Doors
5340 Brendan Lane
Oldcastle, Ontario N0R 1L0