We use only top-quality roofing products that we trust. Using quality products is the first step in ensuring we deliver a quality roof that will last for years to come. Wm. Green Roofing is a GAF Master Elite certified installer, an accreditation awarded to only 3% of roofing contractors in North America.
We are fully insured, WSIB certified and members of the Ontario Industrial Roofing Contractors Association, Canadian Roofing Contractors Association, and the Grand Valley Construction Association. We are committed to maintaining our reputation as a leading roofing contractor in southern Ontario. We take great pride in seeing our client's homes, buildings, and businesses reach their full potential.
Contact us today for a free estimate. We're excited to work with you! We've got you covered. We have experienced sloped and flat roof repair crews who will ensure your roof is watertight. We believe in permanent solutions and are experienced in both small and large scale repairs. Time for a re-roof?
We are fully insured, WSIB certified and members of the Ontario Industrial Roofing Contractors Association, Canadian Roofing Contractors Association, and the Grand Valley Construction Association. We are committed to maintaining our reputation as a leading roofing contractor in southern Ontario. We take great pride in seeing our client's homes, buildings, and businesses reach their full potential.
Contact us today for a free estimate. We're excited to work with you! We've got you covered. We have experienced sloped and flat roof repair crews who will ensure your roof is watertight. We believe in permanent solutions and are experienced in both small and large scale repairs. Time for a re-roof?
Services
About
Report
Our founder, Bill Green, began his career in the roofing business over 40 years ago. Today, he uses that experience to position Wm. Green Roofing as roofing industry leaders in Guelph and area. Our knowledgeable employees will work hard to make your dreams become a reality. We understand that an investment in your roof is a large commitment and undertaking.
Sloped Roofing
Report
Flat Roofing
Report
Wm. Green Roofing has been installing high-quality flat roofing systems since 1986. We are members of the Ontario Industrial Roofing Contractors Association and have worked on a wide range of residential, commercial, industrial and institutional roofing projects over the past 30+ years, and have installed millions of sq.
Metal Roofing
Report
Although we specialize in asphalt shingle sloped roofing systems, we understand the appeal of a metal roof. Our sister company, O'Brien Fabrications Ltd., provides superior sheet metal and standing seam roofing systems that will last a lifetime. Please follow this link for more information on O'Brien Fabrications Ltd. and its services.
Careers
Report
We have been providing professional roofing services to Guelph and surrounding areas since 1986. We specialize in both shingle and flat roofing, for both residential customers and large industrial, commercial, and institutional projects. Contact us to find out more about an exciting career in the roofing industry.
Reviews
Be the first to review William Green Roofing.
Write a Review
