Sentry Roofing Commercial Roofing Experts
Kerk Johnson, Alex McGuire, and Brent Allen form the leadership group at Sentry Roofing. Kerk serves as president, Alex serves as vice president of estimating and project management, and Brent serves as vice president of field operations and service. Together, they lead a small, hands-on company that provides commercial roofing services across Minnesota, Wisconsin, and Iowa. Sentry Roofing is a registered roofing contractor in all three states, with more than 50 years of combined commercial roofing experience. The company is also a Carlisle Syntec Systems certified installer and a Sika Sarnafil certified installer. Their leadership areas span company direction, estimating, project management, field operations, and roofing service.
Leadership Grounded in Defined Responsibilities
Sentry Roofing's leadership structure connects the principal functions behind its commercial roofing work. Kerk's position as president places him at the head of the company, while Alex's title identifies estimating and project management as his areas of responsibility. Brent's title identifies field operations and service as his areas of responsibility. These three confirmed roles align with Sentry Roofing's hands-on business model and its commitment to precision, honesty, and accountability. Their work is supported by the company's combined commercial roofing experience, contractor registrations, certified-installer status, and professional affiliations. The leadership group serves a firm focused specifically on commercial roofing systems, related metal applications, repairs, and preventative maintenance.
Confirmed Leadership Roles
- Kerk Johnson — President: Company leadership
- Alex McGuire — VP, Estimating and Project Management: Estimating and project management
- Brent Allen — VP, Field Operations and Service: Field operations and roofing service
Experience, Credentials, and Professional Affiliations
Sentry Roofing's documented qualifications provide clear company-level proof of commercial roofing authority. Its more than 50 years of combined experience inform projects from start to finish, while its contractor registrations establish its presence across its three-state service area. Certified-installer status with Carlisle Syntec Systems and Sika Sarnafil further supports the company's work with commercial roofing systems. Membership in Rochester Area Builders Inc. and the Rochester Area Chamber of Commerce connects the firm with established building and business organizations in its home region. Together, these registrations, certifications, memberships, and decades of combined experience provide the company foundation behind the leadership group's commercial roofing work.
- Registered roofing contractor in Minnesota, Wisconsin, and Iowa
- Carlisle Syntec Systems certified installer
- Sika Sarnafil certified installer
- Member of Rochester Area Builders Inc.
- Member of the Rochester Area Chamber of Commerce
- More than 50 years of combined commercial roofing experience
Commercial Roofing Knowledge and Service Areas
Low-Slope and Flat Roofing Systems
Sentry Roofing provides low-slope and flat roof solutions intended to protect commercial buildings and their owners' budgets. Its confirmed system offerings include EPDM roofing, which provides flexible, resilient, and long-lasting roof protection. The company also installs PVC roofing, a system valued for its strength and resistance to chemicals and fire. Its TPO roofing offering delivers durable, energy-efficient, and UV-resistant performance. These systems establish a focused base of commercial roofing knowledge within the company. They form a central part of the commercial roofing work directed through Sentry Roofing's leadership structure. Decades of combined commercial roofing experience guide that work from start to finish.
Additional Roofing and Metal Capabilities
The company's capabilities extend beyond membrane roofing systems. Commercial shingling combines lasting protection with a polished appearance, while commercial edge metal protects the roof perimeter and provides a clean, professional finish. Sentry Roofing also offers exposed fastener metal roofing, which is engineered for durability and low-maintenance performance. Its roofing service covers needs ranging from leak repair to preventative maintenance. Together, these confirmed offerings allow the company to address several commercial roofing and roof-perimeter needs within its established service category. They also reflect the areas supported by Alex's estimating and project management role and Brent's field operations and service role, with Kerk serving as company president.
A Safety-First and Client-Focused Culture
Sentry Roofing places safety at the center of its commercial roofing work. The company follows rigorous safety standards and uses proactive planning to protect crews, partners, and clients, with the stated priority that everyone returns home safely at the end of the day. Its customer-focused approach is built around confidence, trust, and strong client relationships. Open and transparent communication supports smooth project delivery, while meticulous installation promotes long-lasting roof performance. Integrity guides the company's actions and its focus on clients' best interests and high-quality results. These principles define the company Kerk, Alex, and Brent lead through their respective responsibilities and reinforce Sentry Roofing's promise: driven by integrity, defined by quality, and delivered with precision.
Connect With Sentry Roofing
Commercial property owners and decision-makers throughout Minnesota, Wisconsin, and Iowa can contact Sentry Roofing about low-slope and flat roofing, commercial shingling, commercial edge metal, exposed fastener metal roofing, leak repair, and preventative maintenance. Kerk Johnson, Alex McGuire, and Brent Allen lead the company through clearly defined roles covering company direction, estimating and project management, field operations, and service. Their work is supported by Sentry Roofing's more than 50 years of combined experience, contractor registrations in all three states, certified-installer status, and professional memberships. To get started with Sentry Roofing and its hands-on commercial roofing team, contact the company today and discover the difference that integrity, quality, accountability, and precise execution can make for your building.