James C. Strong

Associate Principal


James Strong’s career focuses on solving, repairing, and avoiding water intrusion problems in buildings. For more than thirty‑eight years he has taken a hands-on approach to investigations of both failed and successful installations of exterior enclosure assemblies. Field experience supports his selection of materials and design of details for new construction, renovations, and repairs.

Prior to joining WJE in 2000, Mr. Strong was a principal at Testing Engineers, Inc. (TEI), a firm in northern California that provided construction inspection, testing, and consulting. In addition to his eventual, company-wide responsibilities at TEI, for nineteen years his technical work focused on roofing and waterproofing.



Failure/Damage Investigations

  • County and School District Buildings - Aransas County, TX:  Evaluation of hurricane wind damage and schematic design for roofing repair/replacement
  • Ernest N. Morial Convention Center - New Orleans, LA: Investigation of hurricane wind damage to roofing and design of schematic repairs
  • Louisiana Superdome - New Orleans, LA: Investigation of hurricane damage to roofing
  • Mauna Kea Beach Hotel - Kohala Coast, HI: Investigation of claims of earthquake damage to roofing


Historic Preservation

  • Marin County Civic Center - CA: Field and laboratory testing to support selection of replacement for iconic blue roofing at Frank Lloyd Wright-designed building
  • Old Santa Fe Trail Building, National Park Service - NM: Construction-phase services related to roofing rehabilitation at historic adobe



  • Grace Cathedral - San Francisco, CA: Owner’s Representative for design-build reroofing and architectural concrete repairs at historic church
  • Philadelphia Museum of Art - PA: Peer review of waterproofing design for new subgrade construction


Litigation Consulting

  • Horizon and MontBleu Casino Resort Hotels - South Lake Tahoe, NV: Investigation of adequacy of lessee’s maintenance of buildings’ exterior enclosure and testimony at trial regarding roofing
  • Warehouse - Metarie, LA: Investigation of hurricane wind damage and testimony at trial regarding roofing


Roofing and Waterproofing

  • Andersen Air Force Base BX - Guam: Investigation of splitting of liquid-applied membrane on concrete roof deck and litigation support
  • One Market Plaza - San Francisco, CA: Design of waterproofing for renovation of plazas


EIFS, Stucco, Plaster

  • Alameda County Medical Center - Oakland, CA: Investigation of leakage in new construction, design of repairs for stucco cladding, and litigation support



  • Blimp Hangars - CA: Investigation of rising damp in brick masonry and design of repairs


Coatings and Sealants

  • Cathedral of Christ the Light - Oakland, CA: Investigation of leakage at exposed, concrete exterior walls and repair design 
Professional Affiliations

ASTM International, Fellow, past chair of subcommittees
International Concrete Repair Institute (ICRI), past chapter board
Westcon, past president


Michigan State University
Bachelor of Arts, Communications, 1970