Wind Design for Modular Vegetated Roof Assemblies 

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Proof of Attendance will be issued for:

PEO Continuing Professional Development Hour

OAA Structured Learning Unit & AIBC Core Learning Unit

LA/CES, CSLA, OALA, BCSLA, AALA, APALA Professional Development Hour


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Wind Design for Modular Vegetated Roof Assemblies 

Vegetated or green roofs offer multiple benefits to urban areas. They manage stormwater, reduce energy demand, mitigate urban heat island, improve air quality and enhance biodiversity. The City of Toronto adopted the Green Roof Bylaw in 2010. It became the first city in North America to require green roofs on most new buildings, including high-rise buildings and lakefront properties that experience high wind.

Wind flow around buildings creates both positive and negative pressure fluctuations across the roof, which affects both the roofing and the vegetated roofing systems. As part of the building envelope, it is essential that a vegetated roof is secured against these wind forces.

In this webinar, we will first take a look at CSA A123.24: Standard Test Method for the Wind Resistance of Modular Vegetated Roof Assembly and the 2 key test components to measure wind uplift and wind flow resistances. We will share case studies to demonstrate how vegetated roofing systems behave at different wind pressures and wind speeds with videos of the tests. Finally, we will illustrate how to use CSA A123.24 in the wind design process of vegetated roofing assemblies.

Learning Objectives:

  1. Define modular vegetated roof assembly (MVRA)
  2. Understand wind effects on roofing and vegetated systems
  3. Recognize governing factors of wind resistance for MVRA
  4. Test for wind uplift resistance and wind flow resistance
  5. Apply CSA A123.24 in wind design process for MVRA

Presenters

Karen Liu, BASc, MASc, PhD Green Roof Specialist

Sasha Aguilera, GRP, B.Arch (Hons) Design Ambassador

 

More than 2.5 M SQFT supplied coast to coastNext Level Stormwater Management logo in bold blue with logo above in blue and green

Next Level Stormwater Management is Canada’s leading supplier of pre-vegetated roofs such as LiteN’Less™, Xeroflor® and StormCap™ systems. We customize to local requirements and offer warranty and maintenance support. Our team provides analytical support such as ​stormwater calculations specific to location ​and building/roof type. As a Purple-Roof partner, Next Level Stormwater Management has access to the latest green roof stormwater test data and related innovative hydrologic modeling tool.

Email or call (416) 637-5772 for stormwater calculations specific to your project.