Simplifying the Complicated Process of Wind Design for Roof Systems

Content
1 module

Difficulty
Intermediate

Rating

Course Length
1 hour

Instructor
Self- Paced

Description

This presentation initially took place at the 2020 Convention.

Wind design for roof systems is rather complicated, and with the latest version of ASCE 7, it has become that much more confusing. Different editions of building codes and, therefore, different versions of ASCE 7 are used in different parts of the country. The three versions that are currently in use are ASCE 7-05, 7-10, and 7-16. While each provides a method to determine the wind loads acting on a building, the specifics of each method vary. There are also groups (e.g., FM, NRCA) that provide methods to determine the wind loads acting on a roof. Once loads are determined, a roof system with a tested resistance greater than the loads is chosen for use. If it were only that simple!

The presentation will discuss the similarities and differences between the three versions of ASCE 7 and the roofing industry-developed methods to determine loads. The presenters will provide insights regarding the application of the traditional Factor of Safety in various design methods, as well as design enhancements for improved long-term performance. Lastly, the presentation will take a deep dive into the numerous listing services that provide wind-uplift-rated roof systems, such as FM, UL, and SPRI.

Joan P. Crowe, AIA

GAF | Northbrook, IL

Joan P. Crowe holds a bachelor of science degree in architectural studies and a master of architecture degree from the University of Illinois Urbana-Champaign. In 1988, she began her career at Wiss, Janney, Elstner Associates, Inc. In 2000, Crowe joined the National Roofing Contractors Association (NRCA) working in the technical services section. Starting in 2016, she joined GAF as manager of codes and regulatory compliance. Her responsibilities include monitoring building codes, standards and regulations; providing technical assistance to the sales and marketing departments; and producing technical documents. Crowe is a licensed architect in Illinois and a member of the American Institute of Architects.

James R. Kirby, AIA

GAF | Wilmette, IL

James R. Kirby is a building and roofing science architect with his firm. He has a master of architecture degree with a “structures” option. With over 25 years of experience in the roofing industry, covering low-slope, steep-slope, metal, SPF, vegetative, and rooftop photovoltaics, he understands the effects of heat, air, and moisture on a roof system. Kirby presents building and roofing science information to architects, consultants, and building owners, and writes articles and blogs for building owners and facility managers and the roofing industry. He is a member of AIA, ASTM, ICC, MRCA, NRCA, IIBEC, and USGBC.

Certificate

By completing/passing this course, you will attain the certificate IIBEC Certification of Completion

Learning Credits

AIA LU/HSW
1.0
IIBEC CEHs
1.0
1.
Recording: Simplifying the Complicated Process of Wind Design for Roof Systems
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Excellent presentation on a complicated topic.

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