The ultimate protection
for your Home and Business

  • Canada’s Largest Roofing Company
  • Complete Roofing, Siding and Insulation Installation
    and Repair Services
  • Offering the Best Installation Warranty in the Business

Who We Are

Roofing Company Serving Markham, Toronto, and the GTA

As a family-run business, we are proud of the reputation we have built in providing a full range of reliable roofing and siding services to every customer; including the most respected home builders, and homeowners just like you.

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Who We Are ...

The Chouinard Bros. Roofing Formula

For over 45 years, Chouinard Bros. has installed, maintained and repaired residential and commercial roofs just like yours across Toronto and the GTA using a simple formula for success.


Be responsible and responsive to you, our customer.


Use only the highest quality, most durable roofing materials.


Install or repair your roof with fully trained and qualified roofing specialists.


Protect you with complete insurance coverage and the most reliable warranties in the business.


Stand behind everything we do.

Our Partners

Trusted By Industry Leaders

Any company can use the words ‘trust’ and ‘respect’. But if you want a roofing company who has earned the trust and respect of the most recognizable brands in the business, call Chouinard Bros.

Preferred Service Partner for the leading home builders in Canada

Platinum Certified Installer for the top roofing materials manufacturer in Canada

Preferred Certified Installer for the Number 1 shingle manufacturer in North America

Tree Canada Logo

Preferred Partners

Treasure Hill
Owens Corning

Let Canada’s largest roofing company solve all your roofing and siding needs.