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Headers & Beams : Allowable Load Tables - SFPA - Southern Pine
Beam Capacity Tables - Pacific Lumber Inspection Bureau
Understanding Loads and Using Span Tables - American Wood …
Span Tables - Calculate Joist, Rafter and Wood Beam Spans
Wood Beam Span Calculator
Headers & Beams : Size Selection Tables - Southern Pine
Headers and Beams - SFPA - Southern Pine
Wood Structural Design Data - American Wood Council