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NutsN'Bolts Part 2 – Green Roofs: Material Selection & Design Goals
The series navigates through the complete green roof process; from recognizing opportunities, to planning, material selection, system design, specifications and drawings, construction and maintenance.

In the second installment, participants get an overview on the North American green roof market. We explore individual components, learn about their functions and selection criterion, and how to put them together into engineered systems to achieve specific design goals. An emphasize is placed on the strongest driver behind the current green roof growth in North America, stormwater management.

Learning Objectives

At the end of this webinar, participants will be able to:
1. Distinguish the various types of green roofs, their market share and cost positions.
2. Define typical components and their assembly placement based on functional criteria.
3. Select proper components to create green roof systems to achieve various design intents.
4. Incorporate retention and detention elements to elevate stormwater management capacity.

Dec 8, 2021 01:00 PM in Eastern Time (US and Canada)

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Karen Ka Yan Liu, PhD
Green Roof Specialist @Next Level Stormwater Management
Dr. Karen Liu has been conducting green roof research since 2000. Before joining the private sector, Karen was a lead researcher of the green roof programs at the National Research Council and the British Columbia Institute of Technology. She led the research teams to instrument and monitor various green roofs in Ontario and British Columbia to evaluate their water balance and examine their potential in stormwater management. Karen was a key participant in the research consortium that developed the first national wind testing standard for vegetated roofing CSA A123.24. Additionally, Karen has vast practical experience having worked on hundreds of green roof projects across North America, Europe and Asia. Over her career, Karen authored and contributed to dozens of academic and technical articles. In 2015, she received the F. Ross Browne Award.
James Weldon, Dipl. Arch. Tech.
Technical Sales & Design Consultant @Next Level Stormwater Management
With a background in architecture and engineering, James has worked in the construction industry in a design role for the past 7 years. Prior to working for Next Level Stormwater Management he was an architectural representative for a pre-cast concrete manufacturer and a structural designer for an engineering firm in British Columbia. An increasing interest and passion for sustainable building practices led him to the green roof industry, joining Next Level in 2019. Since then he has been involved in many unique and exciting green roof projects across the country. James offers a detailed and creative approach to designing and implementing green roofs for both retrofits and new construction on projects Canada-wide and looks for meaningful collaboration to find the right solutions for the stormwater challenges that we face.