Trevor Weilbach, P.E., Senior Engineer

WDP Office: Manassas

Trevor performs forensic field investigations of structural and building envelope systems utilizing various diagnostic testing methods. He also develops repair documents and works throughout the construction phase of various new construction and renovation projects to help bridge the gap between the office and the field.

“Working at WDP, I have the opportunity to learn the intricate details that can cause global problems to structural and building envelope systems. I enjoy working with industry leading professionals and contributing to each part of the design process, from the formulation of the initial concept to the finalization of the details. One of the most rewarding parts of the job is seeing how the design comes together when it is constructed.”

Technical Papers/ Publications & Speaking Engagements

“Appropriate Use of Code Compliance Reports in Roofing,” The Construction Specifier, December 2018

Professional Qualifications

Years with WDP

Trevor joined WDP & Associates in 2014 as an intern and became a full time staff engineer in 2015.


  • Master of Science, Civil Engineering, Virginia Tech, 2015
  • Bachelor of Science, Civil Engineering, Virginia Tech, 2014

Registrations / Certifications

  • Professional Engineer: VA, DC, MD
  • AAMA Fenestration Master Professional Certification (FMPC)