About Us

Exterior Supply Co. measures, supplies and installs custom exterior home products including vinyl windows, aluminum windows, steel entry doors, fiberglass entry doors, aluminum entry doors as well as siding, motorized screens & awning solutions.
Exterior Supply Co. is the source you can depend on to help you with your next exterior project.
  • Collingwood Panorama

    This 30 foot aluminum sliding door offers a modern look and maximum views.

  • Guelph Muskoka Style

    Muskoka style grills bring comfort and elegance to this newly transformed space.

  • Fergus Hidden Gem

    This aluminum double stackable sliding door simply transformed this space for year round use.

Service Area

Currently Supplying & Installing Windows, Doors, Screens & Awnings in the Following Areas:

Hanover | Owen Sound | Palmerston | Walkerton | Goderich | Meaford | Collingwood | Thornbury | Grand Valley | Mount Forest | Elora | Fergus | Rockwood | Guelph | St. Jacobs | Harriston | Listowel | Arthur | Mildmay | Kincardine