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Exterior Supply Co. is always available to quote your next home exterior project with our industry leading suppliers and professional installation network. We measure, supply and install windows, entry doors, patio doors, siding, motorized screens, awnings  & more.

No job too big or small, we've done it all.

We would love to hear about your project and how we can help, we are happy to answer any inquiries you may have.

Sales & Service - 519-373-6449

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Service Area

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

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