For decades, Ontario followed a standard North American model: if you have a high-rise, you generally need two exits. To save space, architects often utilized "scissor stairs"—two stairwells sitting side-by-side within the same shaft, separated by a thin fire-rated wall.
The official of the 2024 Ontario Building Code Compendium is available exclusively through ServiceOntario Publications . This new edition, which became effective January 1, 2025 , replaces the 2012 version for most new projects. Where to Buy Paper Copies
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For decades, Ontario followed a standard North American model: if you have a high-rise, you generally need two exits. To save space, architects often utilized "scissor stairs"—two stairwells sitting side-by-side within the same shaft, separated by a thin fire-rated wall.
The official of the 2024 Ontario Building Code Compendium is available exclusively through ServiceOntario Publications . This new edition, which became effective January 1, 2025 , replaces the 2012 version for most new projects. Where to Buy Paper Copies
