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American Wood Council

Are there deflection limits for cantilevers?


AF&PA's Wood Frame Construction Manual (WFCM) for One- and Two-Family Dwellings prescriptively limits cantilevers based on the following conditions, where L is the length of the simple span, center to center of bearing and d is the depth of the joist:

Loadbearing wall, shear wall or non-shear wall <= d
Non-loadbearing, shear wall or non-shear wall <= L/4
Non-loadbearing shear wall <=4d

 
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