BSAO & BECOR Joint Webinar – From Roof Collapse to Remediation: Understanding RAAC in Ontario's Buildings

April 9, 2025 12:00 PM - 01:15 PM 2025-04-09 12:00 PM 2025-04-09 01:15 PM BSAO & BECOR Joint Webinar – From Roof Collapse to Remediation: Understanding RAAC in Ontario's Buildings BSAO Canada America/New_York

The use of Reinforced Autoclaved Aerated Concrete (RAAC) has been a contentious topic in Ontario since late 2023 when the Ministry of Education issued a memorandum requesting all school boards to “implement an investigation, assessment, and management strategy for RAAC within their buildings.” This comes on the heels of a recent failure in the UK involving thecollapse of a flat roof constructed with RAAC. Although many school boards have previously identified this issue and implemented management strategies to address the potential concerns related to RAAC construction, many others (including non-institutional owners) may have been unaware of the potential concerns. This presentation will provide a brief history of RAAC construction in Ontario, including several commonly used products, the primary concerns with RAAC construction, guidance on how to identify RAAC construction in existing buildings, and recommendations on how to manage the repair and replacement of these structures.

Speaker

Brandon Gemme
Project Manager,
Leading Edge Building Engineers Inc.

Brandon Gemme is a Project Manager at Leading Edge Building Engineers in Vaughan, Ontario, Canada. He holds a Bachelor of Applied Science in Civil Engineering from the University of Toronto and is a licensed Professional Engineer in Ontario, specializing in building restoration. With additional certifications as a Building Science Specialist (BSS) and Certified Passive House Designer (CPHD), Brandon's expertise encompasses evaluating, investigating, and remediating building envelope and structural systems. He also implements rehabilitation and preventative maintenance programs. His involvement in numerous deep energy retrofit projects has equipped him with valuable experience in design, modeling, and project management. Brandon leverages his passion for high-performance design to develop practical solutions that enhance the comfort and well-being of building occupants.

 

 

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