TACKLING A TECHNICAL CHALLENGE Unlike a new build, this project requires working within the constraints of a 50-year-old structure. The stadium’s unique shape and stress profile mean the dismantling of the existing roof and supporting systems must be done carefully. “This is a highly complex engineering effort,” says Guenfoud. “We’re removing and rebuilding critical structural components, like the technical ring, on a high-rise site that spans from ground level to 165 metres at the top of the tower.” New methods have been developed to carry out the dismantling safely, and work is staged across three primary zones (ground, roof and niche). The stadium has also been winterized to manage exposure to temperature extremes and protect against heavy rain, wind, ice, and snow: conditions that Montreal experiences regularly. PROJECT TIMELINE The roof replacement is being executed in three major phases: 2024: Dismantling of the existing roof 2025: Removal and rebuilding of the technical ring 2026–2027: Fabrication, assembly, and installation of the new roof system Each stage is planned to maintain site safety and minimize disruption to nearby activities and infrastructure. 2028: Olympic Stadium reopening 22 NOV 2025 | BUSINESS ELITE CANADA
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