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0326 Joist Notching and Drilling - Floors - Joists - Image Text: Note: joist notching only allowed at the top of the ENDS of the joists in Canada > floor framing > notches in top or bottom of joist to be maximum 1/6 joist depth and are not allowed in the middle third of the span (USA) > joist depth > effective joist depth > 2 inch minimum > maximum hole diameter: 1/3 joist depth (USA) > 1/4 joist depth (CANADA) > maximum notch depth at end of joist: 1/4 joist depth (USA) > 1/3 joist depth (CANADA) > maximum: 1/2 joist width (CANADA) > foundation wall |
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