Parker Johnston

Get to know the company.

Parker Johnston provides roofing and building envelope services, with offices listed in Victoria, Vancouver, Squamish and Calgary. Its website traces the business to 1950 and documents large commercial projects, including work in Regina. Low-slope offerings include single-ply membranes and SBS systems, complemented by metal roofing and waterproofing. The company also fabricates and installs architectural cladding, and offers residential roofing on Vancouver Island alongside its commercial work.

Published roofing services.

• Commercial low-slope roofing
• Metal roofing
• Waterproofing
• Roof repairs and maintenance
• Building envelope services
• Architectural wall cladding

Roof systems named in the sources

Company history.

Official about page identifies the business as operating since 1950.

Where they work.

Published locations or service coverage: British Columbia, Alberta.

The profile’s primary location is Saanichton, British Columbia. Service coverage does not imply a physical office in every place. Confirm the team and availability for your site.

Association and BBB evidence.

Association membership was not established from the sources reviewed. This is not a finding that the company has no memberships.

Sources you can check.

Research checked 2026-10-31. Information can change; follow the original sources before relying on a detail for your project.

1. parkerjohnston.com/
2. parkerjohnston.com/about
3. parkerjohnston.com/low-slope-roofing
4. parkerjohnston.com/residential-roofing
5. parkerjohnston.com/contact