John Lamb | Founder | Principal


John Lamb has been in the building science industry for over 35 years. From building coatings and sealants to construction technology, specifications and applications, John has worked in every aspect of building science; working in the field, the lab and the executive offices with architects, engineers, contractors, building owners and manufacturers to develop products, assess, specify design repair and waterproof every type of building. An Honorary member of Sealant, Waterproofing & Restoration Institute (SWRI), Construction Specifications Institute (CSI) and serves on the Building Seals & Sealants C24 Committee with American Standards for Testing & Material (ASTM), John has developed effective solutions and ensured envelope integrity for hundreds of buildings nationwide.

John Lamb Principal Structural Waterproofing Consultants Building Science Coatings Sealants Restoration SWRI Construction Specifications CSI Envelope
Eric Hoff, NCARB | Senior Architect

Eric Hoff brings over 30 years of building envelope science, design, forensic architecture, and construction management expertise to his position as Senior Architect. He has served as a building envelope and waterproofing consultant on literally hundreds of structures of all types throughout the western United States and has provided construction defect expert witness services since 1993. A Service Disabled Veteran, Eric holds architecture licenses in Oregon, Washington, Nevada, Utah and Idaho.

Andy Vosper | EIT | Building Science Consultant

Andy Vosper has extensive background in providing building envelope consulting, reserve studies and maintenance plans to condominium associations, apartment managers, building owners and investors; from building envelope condition assessments, remediation solutions and construction oversight to detailed 30-year facility cost and condition analysis for maintenance plans and reserve studies to ensure owners properly plan for and maintain their assets. Andy’s expertise in Construction Engineering gives him an eye for detail ensuring that all relevant information is identified and addressed for accurate assessment, effective construction and remediation solutions and for reliable, detailed reports. From historic preservation to new construction, condominium to commercial, Andy has worked on every building type and he is committed to providing efficient and quality project delivery.