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Philip D. Dregger, PE, RRC, Fellow IIBEC

Professional Engineer, Registered Roof Consultant

Concord, CA
Forensic Roofing and Waterproofing Engineering – Roof Drainage, Wind Damage, and Condensation Analysis

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Professional Summary

Philip D. Dregger, PE, RRC, Fellow IIBEC is a roofing and waterproofing consulting expert specializing in litigation involving roofing failures, waterproofing defects, and condensation issues. With a career encompassing engineering, consulting, and expert testimony, he brings a multifaceted approach to analyzing complex building enclosure disputes. His work centers on investigating roofing and waterproofing failures, assessing compliance with California Title 24 Part 6 (Energy Code), and evaluating the impact of wind and hurricane damage.

Mr. Dregger has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to roofing and waterproofing failures, wind damage, and energy code compliance. His Master of Science in Civil Engineering from the University of Minnesota, along with his credentials as a Professional Engineer and Registered Roof Consultant, 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 roofing systems and building enclosures.

Expert Intelligence

AI-Generated AnalysisBased on public information

Best Descriptor

Philip D. Dregger is a leading expert in roofing and waterproofing consulting, specializing in failure investigations and building enclosure evaluations.

Best Use Cases

  • 1expert testimony in roofing failure cases
  • 2consultation on building enclosure evaluations
  • 3analysis of condensation issues in roofing systems

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Education

  • Master of Science in Civil Engineering

    University of Minnesota - Minneapolis · 1978

  • Bachelor of Science in Civil Engineering

    University of Minnesota - Minneapolis · 1976

  • Master of Science in Civil Engineering in Civil Engineering

    University of Minnesota - Minneapolis · 1978

  • Bachelor of Science in Civil Engineering in Civil Engineering

    University of Minnesota - Minneapolis · 1976

Licenses

  • Professional Engineer (NV)
  • Registered Roof Consultant
  • Professional Engineer (CA)
  • Professional Engineer (MN)
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