Semple Gooder Roofing Corporation has been in the roofing and metal cladding business for more than 75 years. Our head office is in Toronto with branch offices covering Ontario. We have expertise in all aspects of roofing including 24/7 Emergency Service, Preventative Maintenance, Re-Roofing, New Roofing, Architectural Cladding, Sheet Metal, Historical Roofing, Green / Sustainable Systems.

We are a fully Unionized contractor with valid labour agreements throughout Ontario.

Semple Gooder has current installer agreements with every notable roofing supplier / manufacturer in Ontario, enabling us to execute work across the spectrum of roofing and supply any long-term warranties.

Semple Gooder is fully (COR) certified as designated by the Infrastructure Health and Safety Association of Ontario (IHSA). This ensures our clients that we are providing the safest work environments possible.

Our vast experience in roofing applications while accommodating occupied or sensitive work environments makes us a perfect fit for education or publicly funded organizations. We are one of the largest installers of cold-applied roofing systems in Ontario and have installed all types of systems with multiple roofing product manufacturers.  

Semple Gooder is a founding member of both the Canadian Roofing Contractors Association (CRCA) and the Ontario Industrial Roofing Contractors Association (OIRCA).