James Klassen to Present on RCABC’s New Vegetated Roof Guarantee at Grey to Green Conference in Vancouver May 23, 2025
GRHC is pleased to announce that James Klassen, GRIMP, RoofStar Technical Advisor and Claims Examiner, RCABC will be presenting at the Vancouver Grey to Green Conference on Friday, May 23, 2025. His session, titled “RCABC’s Guarantee for Vegetated Roofs: A New Future for Green Roofing in British Columbia,” will explore how RCABC is transforming green roof reliability with its newly launched RoofStar Vegetated Roof Guarantee. Learn more about the conference and register here.
Vegetated roofs are celebrated for their role in stormwater management, building insulation, and urban biodiversity, often suffering from misconceptions rooted in poor design or installation practices. Klassen’s presentation will unpack how RCABC’s new quality assurance framework is setting a new North American industry benchmark in performance, longevity, and client confidence.
The program is designed to eliminate common failures by providing accountability, ensuring building owners can enjoy the full spectrum of green roof benefit, without the risk.
About the Speaker:
James Klassen brings an extraordinary depth of experience to his role, having developed the Vegetated Roof Standard and led the advisory committee that shaped the new guarantee program. A respected educator and roofing standards expert, Klassen is also a voting member of the CSA-A123 Technical Committee and a key contributor to roofing policy and practice in Canada. He manages the Roofing Practices Manual, supports CSA task groups, and continues to mentor the next generation of green roofing professionals.
His session is especially relevant to contractors, specifiers, architects, and municipal leaders seeking to understand how quality assurance can transform the future of urban green infrastructure.
Learn more about the Vancouver Grey to Green conference, here.
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About us
Green Roofs for Healthy Cities is a non-profit 501(c)(6) professional industry association working to grow the green roof and wall industry throughout North America since 1999. Our mission is to develop and protect the market by increasing the awareness of the economic, social, and environmental benefits of green roofs, green walls, and other forms of living architecture through education, advocacy, professional development, and celebrations of excellence.
We publish The Living Architecture Monitor quarterly online magazine where industry leaders share their insights and expertise. These articles increase awareness of the economic, social, and environmental benefits of green roofs, walls and other forms of living architecture.
We also offer free access to The Living Architecture Academy, an online professional development platform which is dedicated to bringing you the best, most up to date professional training information on design, installation and maintenance practices across a wide range of green infrastructure topics. The LAA offers short lectures and multi-day courses such as: Green Roof Professional Training, Introduction to Green Walls, Biodiverse Green Roof Maintenance, and more.
We also publish the Green Pages: Industry Green Roof and Wall Directory which is designed to support you with your living architecture projects by providing a list of trusted manufacturers, suppliers of accessories, green walls, nurseries, and certified Green Roof Professionals (GRPs). From small-scale residential projects to large commercial installations, this directory has everything you need to find support to create a sustainable and beautiful living space.
From the Living Architecture Monitor
