MJ Roofing

Get to know the company.

MJ Roofing is a Winnipeg contractor established in 1959 by brothers Mike and Joe Prokopich. Its current services focus on flat-roof inspection, maintenance and replacement, supported by emergency leak response and rooftop snow removal. Owners can obtain condition reports with photographs and CAD drawings, maintenance recommendations and replacement budgeting. The company lists modified bitumen, asphalt and gravel, EPDM, TPO and metal roof systems, and fabricates metal flashings and cladding in house.

Published roofing services.

• Flat roof installation and replacement
• Preventive roof maintenance
• Roof inspection and condition reports
• Emergency leak service
• Rooftop snow removal
• Custom metal fabrication

Roof systems named in the sources

Company history.

Official about page states established in 1959 by brothers Mike and Joe Prokopich.

Where they work.

Published locations or service coverage: Manitoba.

The profile’s primary location is Winnipeg, Manitoba. 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. www.mjroofing.net/
2. www.mjroofing.net/about
3. www.mjroofing.net/services