Expert Building Envelope Consultants at BEPG

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Building Envelope Consultants are professional consultants who specialize in the exterior of buildings. They focus on keeping the "weather out and energy in" of a building. A building's envelope includes all the systems that keep air, water, heat, light, and noise in or out of a building.

TOM GERNETZKE - Principal Building Envelope Consultant and Owner of BEPG

About BEPG

Building Envelope Professionals Group, LLC (BEPG) is an expert building envelope consulting firm. Our building envelope consultants specialize in resolving your building envelope problems honestly, accurately, impartially, and within budget. Building envelope consulting is crucial to maintaining the longevity and safety of buildings. 

Building Envelope Consultants at Work!

Building Envelope Consultant Services Offered By BEPG

Roofing, Waterproofing, and Exterior Wall Consulting Services

BEPG's team of certified professionals provides various roofing, waterproofing, and exterior wall consulting services that assess, design, and remediate any issues impacting the durability and sustainability of any existing structure or new construction project.

Complex Building Envelope Assessment, Diagnosis, and Rehabilitation

We have expertise in complex building envelope assessment, diagnosis, and rehabilitation projects with construction costs exceeding $2M. As buildings age, maintaining their structural integrity becomes more critical than ever. By addressing issues proactively, our building envelope consultants can help preserve the safety and stability of a building for years to come. 

Quality Assurance & Testing Services

In addition, we provide quality assurance, testing, and building envelope quality services on new construction projects with costs often exceeding $150M. We bring robust expertise to every project we undertake, regardless of size or complexity. Our services cover everything from initial design to final inspection, giving clients complete confidence in the quality of their building envelope. 

Project Management

In any project, assembling the right team is crucial to success. With years of experience in the industry, we specialize in building and leading teams of skilled professionals. From architects to engineers, cost estimators to construction managers, BEPG brings together the best and the brightest in the field to ensure rehabilitation projects are executed flawlessly by guiding these teams through the entire process, providing valuable insights and oversight at every step.

Drone Inspection, 3D Laser Scanning, and 3D Modeling

Always on the cutting edge, BEPG's newest services are drone inspections and assessments and 3D Laser Scanning to create 3D models to evaluate and diagnose building envelope issues. BEPG offers this technology as a standalone service and utilizes it as part of its other services.

Industries Served by BEPG

We serve clients in various industries, including government/municipal, institutional, schools, office, commercial/industrial, worship, historical, multi-family, and retail. The breadth of industries we cater to demonstrates our expertise in tackling projects across the board.

We understand the unique needs of each type of building and are equipped to handle whatever challenges may arise. Whether you need help bringing a historic building up to code or designing a modern office space, our building envelope consultants have the knowledge and skills to do the job correctly.

BEPG has established contracts and agreements with clients across the United States, spanning all 50 states. Expansion beyond our local vicinity (Wisconsin, Illinois, Minnesota, and Iowa) demonstrates our ability to handle clients' needs nationwide. BEPG always strives for excellence, and clients can expect dedicated and professional services, regardless of location. 










Let’s start with defining “what is a building envelope consultant?” A building envelope consultant is an independent expert who works with building owners, facility managers,

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Company History

Thomas (Tom) M. Gernetzke, F-IIBEC, RBEC, RRC, RWC, REWC, had a vision for a company that would approach building and construction projects with expertise and service unmatched in the industry. BEPG's core message highlights the values of honesty, accuracy, impartiality, and fiscal responsibility.

We resolve your building envelope problems honestly, accurately, impartially, and within budget.

In January 2017, that vision became a reality when he founded Building Envelope Professionals Group, LLC. With numerous certifications (RBEC, CBECxP, RRC, RWC, REWC) under his belt, Tom brings a wealth of knowledge and experience to the table, making it his mission to deliver the best outcomes for his clients every time. 

Tom earned his honorary title F-IIBEC by demonstrating meritorious service. The International Institute of Building Enclosure Consultants (IIBEC) awards the Jury of Fellows title to a select few. Currently, Tom is serving as the Chair of the Jury of Fellows.

Working with BEPG for building envelope consulting needs has many benefits, including cost-effective solutions, sustainable practices, and improved building performance. Our expert team provides various services, including roofing, waterproofing, exterior wall consulting, quality assurance, and rehabilitation project team leadership. 

BEPG serves various industries, providing solutions that meet their clients' needs. Interested building owners and project teams can contact BEPG for consultations to ensure their buildings' safety and longevity.

Meet Our Building Envelope Consultant Team

Photo of Tom Gernetzke, Building Enclosure Consultant, Building Envelope Consultant

TOM Gernetzke

Principal Consultant

Thomas M. Gernetzke, F-IIBEC, RBEC, CBECxP, RRC, RWC, REWC, is the Principal Building Enclosure Consultant for BEPG...

Adam Gezvain picture

Adam Geszvain


Adam Geszvain is a Project Manager for Building Envelope Professionals Group, LLC, located in Oregon, Wisconsin...

Mike Beyler picture

Mike Beyler

Project Technician

Mike Beyler is a Project Technician at Building Envelope Professionals Group, LLC. Mike’s primary focus is the production of...

Sarah Pontel

Sarah Pontel

Office Manager

Sarah Pontel is the Office Manager and Field Technician for Building Envelope Professionals Group, LLC in Oregon, WI...

Zoe Barnes

Zoe Barnes


Zoe is a Building Enclosure Commissioning and Functional Performance Testing Consultant for BEPG. She upholds building...

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