Paul M Vanni

Paul M Vanni, A.S. is a construction defects expert specializing in building-envelope and waterproofing consulting. With a career spanning investigation, evaluation, and remediation of water intrusion and waterproofing failures, he brings a comprehensive framework to litigation work involving multi-family, commercial, and institutional buildings. His work centers on investigating moisture intrusion, assessing compliance with industry standards, and evaluating whether installation deficiencies or material incompatibilities exist.

Mr. Vanni has been retained in numerous expert witness and consulting engagements throughout California, involving cases related to construction defects, waterproofing systems, and building-envelope failures. His A.S. degree from LATTC, along with his California contractor’s license, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving waterproofing and building-envelope systems.