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• Lunch and Learn - October 2025

  • When
    Monday, October 20, 2025
  •  
    11:30 AM - 1:00 PM
  • Location
    Grapevine Chamber of Commerce 200 Vine St E, Grapevine, TX 76051

  Register

  Wind Design for Roofs 

  Wind design of roof systems can be complicated. Let’s face it—there’s math involved! The latest version of ASCE 7 has only added complexity to the design process. This presentation focuses on:

  • Understanding the design process outlined in ASCE 7-16.

  • Exploring the similarities and differences among three ASCE 7 versions:

    • ASCE 7-05

    • ASCE 7-10

    • ASCE 7-16

  • How updates to ASCE 7-16 affect wind design methods.

  • Updates to FM’s wind design process and requirements in FM Global Loss Prevention Data Sheets (e.g., LPDS 1-28 and 1-29).

  LEARNING OBJECTIVES  

  1. Describe the similarities and differences between the three versions of ASCE 7 and the roofing industry-developed methods used to determine loads.
  2. Identify the foundational elements involved in determining wind loads acting on a building.
  3. Differentiate between the load side and the resistance side and understand how each is presented in the roofing industry.
  4. Explain the recent changes and the impact of the new information contained in FM’s Loss Prevention Data Sheets 1-28 and 1-29.

  SPEAKER & BIO:  Timothy Clepper, RA, RRC, RRO, ICCce, CIT, NCARB – Building Design Manager, SW Region

  SPEAKER BIO: 

  Tim Clepper is a Building Design Manager for GAF|Siplast in the Southwest Region of the US. Tim is a Registered Architect (RA) in Texas and Louisiana as well as a Registered Roof Consultant (RRC) and Registered Roof Observer (RRO) as certified by the International Institute of Building Enclosure Consultants (IIBEC). He has over 15 years of architectural, roofing and building enclosure design, product specification and consulting experience on various types of building projects, including commercial, K-12, federal, state and local universities/colleges, athletic facilities, healthcare, historic preservation/rehabilitation, industrial, multifamily and single-family residential. Tim is also a board member of the Gulf Coast Chapter of IIBEC and is a member of the American Institute of Architects (AIA). 

   

  Tim has participated in many aspects of the architectural design, engineering and construction process from pre-design assessments/forensic investigations, design peer review, system selections, code analysis, architectural/engineering design and specification development, pre-construction management, and construction administration and construction quality assurance programs. 

   

  GAF’s Building & Roofing Science team is committed to providing significant technical support and guidance during the design process.  We aim to be a positive force in the industry by elevating the collective knowledge level of design professionals and helping to streamline the design process while mitigating risk

  Meeting Location: Grapevine Chamber of Commerce

  Meeting Address: 200 Vine St E, Grapevine, TX 76051

  Registration start time: 11:30 am

  Presentation begins: 12:00 pm

  Member Cost: $30

  Mon-Member/Guest Cost: $40

  This Lunch & Learn is sponsored by GAF. 

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