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Ontario Building Code Egress Window Size


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Ontario Building Code Egress Window Size. They must open to a minimum area of 0.35 m2. According to the building code, egress windows must meet the following criteria:

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Must be able to stay open without the need for added support. If you want to replace your current basement windows with a slider, work with your local window manufacturer to ensure your installation complies with local building codes. The minimum egress window size requirements apply only to the openable portion of the window, not the total window size.

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There are also egress window requirements under part 11 of the 2012 ontario building code. The egress window, with the exception of egress basement windows (see above), must not be higher than 1.5 above the floor. They must open to a minimum area of 0.35 m2. If you want to replace your current basement windows with a slider, work with your local window manufacturer to ensure your installation complies with local building codes.

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