The Building Code and Low Slope Roofing Systems

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Webinar On-Demand
Sponsored by Duro-Last®, Inc., Polyglass U.S.A., Inc., and Versico Roofing Systems
Presented by Mike Ennis and Nate Vail

Learning Objectives:

  1. Discuss the low slope roofing requirements of Chapter 15 of the International Building Code.
  2. Explain how to use the DORA database to find wind uplift rated assemblies.
  3. Describe the safeguards employed to verify only credible data that meet the requirements of the building code that are included in the database.
  4. Create future plans and timelines for implementation of these future plans.
  5. Identify the advantages of this database that are not covered by other databases.



This webinar will provide an overview of the requirements contained in Chapter 15 of the International Building Code for low slope roofing systems. It will provide detailed focus on wind uplift requirements and how to locate roofing assemblies that meet these requirements. Specifically, a listing service program called DORA (the directory of roofing assemblies) will be described. The purpose of DORA is to provide designers, code officials, roof consultants, contractors, and other interested parties with a database of roofing assemblies tested in accordance with standards referenced as part of Chapter 15 of the International Building Code (IBC). Currently, the listing service covers wind uplift only, with the intent to include other requirements contained in Chapter 15, such as fire ratings, impact resistance and edge systems as future enhancements to the database. Manufacturers of non-single ply roofing assemblies will also be invited to list systems in the database at a later date.

The Building Code and Low Slope Roofing Systems


Mike Ennis has 40-years of experience in the commercial building envelope industry. The first 30-years he worked with the Dow Chemical Company where he was the North American New Products Development Leader. For the last 10 years he has been Technical Director of SPRI, Inc. the industry association representing manufacturers of single-ply roof membranes, associated components, testing laboratories and design professionals. He is a Registered Roof Consultant with RCI, Inc. and a member of ASHRAE and ASTM Committees D08, E60 and E05. Mr. Ennis serves on the Board of Directors for the Cool Roof Rating Council and RICOWI, Inc.


Nate Vail is a Business Analyst with Intertek and responsible for the development and utilization of software solutions for the building and construction industry. Nate has 13 years of experience in technical project delivery and business development in the architecture, engineering and construction industry.

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