Roofing & Waterproofing Expert Witnesses and Consultants
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Experts in the forensics of water penetration through various methods of construction and applicable codes, product failure and related construction claims.
The listings below are all Roofing & Waterproofing expert witnesses and consultants.

Expert Listings

William C. Gabrielson, P.E.Trepte Construction Company Inc.
William C. Gabrielson, P.E.
San Diego, CA
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Thomas HamiltonAdvanced Roof Consulting
Thomas Hamilton
East Rochester, NY
Tom Hamilton, AIA, RRC, NCARB is a registered architect and a Registered Roof Consultant, with nationally recognized credentials. With more than 45 years of experience helping companies, institutions and homeowners with their most complex and frustrating roof and wall problems, he's an expert in issues surrounding the building envelope. Working as an independent consultant, he uses his proprietary systems to provide accurate, objective information and clear communication to help resolve building envelope performance issues.

W. John Kulwiec, AIA, CSI, NCARB, ICCKulwiec Group/Architects
W. John Kulwiec, AIA, CSI, NCARB, ICC
Santa Paula, CA
Forensic Architecture. Registered in CA, 1963; also AZ, CO, NV, & WA. 30+ years architectural exp: Observation of Various Projects; Analysis of Construction Methods in relation to Working Drawings, As-Builts, & Change Orders. Standard of Care issues.

Mark VandersliceRoofing & Waterproofing Forensics, Inc.
Mark Vanderslice
Yorba Linda, CA
Roofing & Waterproofing Forensics, Inc. is simply and solely a full service roofing and waterproofing consulting firm. Our specialty is related to all aspects of the exterior building envelope weatherproofing systems and complex leak investigations.


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