We work to provide technical support services that will bring order and structure to client’s businesses and projects, providing real value for our client’s investment.

We employ design professionals, technicians, and firm leaders who have worked directly for, and with, some of the client types we serve. Because we work hard to understand our clients’ businesses, we believe it gives us a unique perspective and a deeper understanding of our client’s side of the business.

We provide technical services such as: 

  • technical consulting

  • structural engineering

  • thermal analysis and design

  • system design and systems engineering

  • building envelope information modeling

  • production shop drawings (delegated design drawings)

  • fabrication drawings

  • related services for all forms of exterior cladding systems that comprise the building envelope

We have two divisions: 

Building Envelope ENGINEERING Division: Full-service engineering for exterior cladding systems including glass curtain wall, panel, stone and architectural specialty components.

Building Envelope CONSULTING Division: Expert consulting for building envelope, building façade and cladding systems including schematic design, design development and construction documents, specification development, construction administration, testing and witnessing of testing in laboratory or field, forensic investigation of building envelope failures or defects, expert witness testimony, thermal design and analysis, observation, peer review, blast / impact assessment, remediation and assessment services and other related services.

Company Leadership

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John L. Wheaton

CEO
WHEATON SPRAGUE BUILDING ENVELOPE

Wheaton Sprague Building Envelope's President is John Wheaton. He is an award-winning CEO and a passionate advocate for the advancement of the building envelope and curtain wall industry. Check out John's blog where he writes on his experience of 24 years as an owner, his viewpoint on the Architecture/Engineering/Construction industry as a whole, and his philosophies of life and business.

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Richard Sprague

President
WHEATON SPRAGUE BUILDING ENVELOPE

Richard Sprague is an architectural curtain wall designer who has devoted his career to the design aspects of the building industry, serving both architectural and building envelope firms. He serves as Vice President of Operations and Design, Drafting and Modeling Department at Wheaton Sprague, which he co-founded with John Wheaton in 1994.