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Wheaton & Sprague Engineering - John L Wheaton Pe We are an engineering and consulting firm with a focus on building envelopes, facades, curtain walls and cladding systems. Our Engineering Division offers full-service design, drafting, and structural engineering for building envelope, exterior cladding, and curtain wall systems. Our Consulting Division advises architects, owners, insurance companies, and attorneys on matters related to exterior cladding systems, and system design.

Our Portfolio features design, engineering, forensics, and commissioning projects that highlight our experience with building envelopes, building facades, and curtain walls and more.
Services
Wheaton Sprague is chartered as a professional engineering company. We are a group of engineers, architects, consultants and designers with a focus on building envelopes, facade, curtain walls and cladding systems. We provide design, engineering and consulting services for the Building Envelope and Curtain Wall Industries to clients throughout the United States and in some off-shore markets.
The term building envelope refers to a number of components used to enclose a structure, including glass, aluminum, panels of various materials, waterproofing, and roofing. Our focus is on the consulting, design and engineering of this "skin" exemplifying both creative and technical expertise in commercial buildings.
Wheaton & Sprague and our affiliated companies perform services nationally, and have representative professional engineers in the majority of the USA as well as affiliate partners in Canada. If you or your client require registration in a location in which we are not registered, please contact us. We have multiple staff members that have Specialty Engineer status through The Department of Planning and Development for Seattle, Washington.
Wheaton Sprague is a professional services practice with a staff of designers, consultants, architects, engineers and LEED APs with technical focus on building facades, building roof systems, waterproofing, and building enclosure systems. We endeavor to provide clients worldwide with pragmatic, value-oriented solutions utilizing specialized technical expertise in the design, engineering, construction, manufacturing, forensic analysis, repair and renovation of curtain walls, cladding, and building envelope.
Reviews (1)
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Alex Czerwinski
Jan 21, 2021
Wheaton Sprague was great to work with on a large waterproofing investigation project. Very thorough and very knowledgeable! Look forward to working with Paul again!