- This video tutorial explains how to use floor joist span charts to determine the correct lumber sizes for residential home framing. It covers key concepts like live load, dead load, joist spacing, lumber grades, and species, demonstrating how to find the maximum span lengths for common lumber sizes like 2x6, 2x8, 2x10, and 2x12. The video emphasizes using building code approved charts and focuses on Douglas Fir and Southern Pine lumber. It also stresses that this information is for educational purposes only and not a substitute for professional structural engineering advice.
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