Meeting/Event Information

SEI Technical Session

October 24, 2017
11:30 AM to 1:00 PM
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11555 Clay Road, Suite 100
Houston, TX 77043,+Suite+100%C2%A0Houston,+TX%C2%A077043?dg=dbrw&newdg=1



Join your peers for the next SEI Houston Chapter Luncheon Technical Session:

“Roofing Systems: Materials, Investigations, and Failures”

A building's roofing system is one of the most critical components of the building envelope, and one that is a common source of problems. Roof systems are also a relatively expensive and short-lived building component, which factors into them being a common source of construction and insurance litigation. As engineers, having a fundamental understanding of roofing systems and their failures allows us to better communicate with other designers, such as architects, and clients (building owners) about these issues. This presentation will focus on providing a basic understanding of common roofing system components so that attendees will know how to identify materials and talk about them. This knowledge will provide attendees with a foundation upon which they can continue to grow their understanding of roofing systems. In addition, this presentation will highlight common types of roofing failures and how roofing failures are evaluated by a forensic expert.

Speaker: Mr. Justin Donaldson, P.E.

Where: Terracon, 11555 Clay Road, Suite 100, Houston, TX 77043

When: Tuesday, October 24th, 2017, 11:30 AM to 1:00 PM

Cost w/RSVP: $25 ($20 for Government Employees, or $15 Students)

Walk-in Attendee: $30

Type “RSVP” in the subject line of an email to: (seating may limited so please let us know if you will be attending)

Speaker Bio: Justin Donaldson is a Senior Project Director and the Discovery Lab Director at Nelson Forensics, LLC. Justin has worked for Nelson for over seven years, focusing on forensic evaluations of roofing systems for a variety of causes including wind distress, hail distress, hurricane/tornado distress, construction deficiencies, and leaks. He helped found and develop the Nelson Discovery Laboratory, which performs testing of roof membrane samples and conducts research on roofing materials and systems, including a paper published in conjunction with the 2015

ASCE Forensic Engineering Congress. He is a licensed civil engineer in 14 states and has conducted forensic evaluations on over 1,000 roofs. Justin is a graduate of Virginia Polytechnic Institute and State University
(Virginia Tech) and a member of ASCE.

The Structural Engineering Institute (SEI) is dedicated to serving and promoting the worldwide structural engineering profession and related industries by providing a forum for research, education, design, testing, manufacturing, construction, and operations in the structural engineering profession.

 Event Contact: Eric R. Methvin, P.E. | President, SEI Houston


$25.00 Member

$20.00 Government Employee

$15.00 Student


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