Modified Bitumen Roof Assemblies: Where Old Meets New
The Ins and Outs of Asphaltic Roof Assemblies
Sponsored by GAF | Siplast | Presented by Benjamin Runyan and Andrea Wagner Watts
Live Webinar Airing on February 12, 2025 at 02:00 PM EST
Modified bitumen roof assemblies have been around since the 1970s, making it one of the oldest roof technologies still in use today. Join this webinar to understand the reasons for its long term success and the advantages that it brings to projects today. It will cover the chemistry of modified bitumen and how the quality of the blend impacts the final material performance. There will be a discussion on the application methods for modified bitumen membranes as well as the options to finish and cap a modified roof assembly. The course will finish with case studies where modified bitumen roof assemblies were chosen to protect the building and occupants.
Photo courtesy of Siplast
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Benjamin Runyan is the Director Product Management for PVC & Modified Bitumen Systems at GAF. He has over 12 years of roofing manufacturing experience, with a specific focus on modified bitumen roof assemblies. Benjamin has a degree in Construction Systems Management from The Ohio State University and is based in Columbus, Ohio. |
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Andrea Wagner Watts is the Building Science Education Manager for GAF | Siplast Building & Roofing Science, engaging with industry professionals to provide guidance, technical support and education for roof and wall assemblies. With more than 15 years of experience in the industry, Andrea strives to improve the overall performance of the building enclosures through application innovation, product development and building science research. Andrea has published on building science, assembly interfaces, durability and resilience and holds multiple patents. She serves as an executive board member of ABAA, is the co-chair of their Technical Committee and chairs the ASTM E06 and D08 Task Groups on air barriers assemblies. |
LEARNING OBJECTIVES
- Explain the impact of the chemistry and formulation on modified bitumen roof membranes.
- Differentiate between different types of modified bitumen membranes and how they compare to built up roofs.
- Identify the different application types and surfacing options for modified bitumen systems.
- Articulate the advantages of modified bitumen assemblies compared to other roof systems.
ALL CREDITS
As an IACET Accredited Provider, BNP Media offers IACET CEUs for its learning events that comply with the ANSI/IACET Continuing Education and Training Standard.
The Building and Roofing Science team offers regional expert building enclosure collaboration through design, specification, and educational support for customers of GAF and Siplast, both Standard Industries companies. GAF is North America’s largest roofing manufacturer with more homes and businesses in the U.S. protected by a GAF roof than any other product. Siplast, a leader in building enclosure systems, offers a portfolio of advanced, high-performance SBS-modified bitumen, PMMA liquid-applied, PVC KEE, lightweight insulating concrete, wall air & water barrier systems, and amenity/vegetated systems.
Originally published in Building Enclosure
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Originally published in January 2025
