What is the maximum cantilever span for a 2 x 12 floor joist spacing 16 inches with a ground snow load of 50 psf?

The maximum cantilever span for a 2 x 12 floor joist spaced 16 inches apart with a ground snow load of 50 psf is calculated based on the allowable cantilever lengths established in building codes and engineering guidelines. For a 2 x 12 wood floor joist, the typical maximum cantilever span, depending on factors like loading conditions, wood species, and condition of the joist, is often around 67 inches when subjected to moderate snow loads.

In this case, the specific snow load of 50 psf fits into a range that allows for extended cantilever lengths compared to lower loading scenarios. The calculation or table reference for wood joists provides a maximum cantilever length that can safely carry the specified load without compromising structural integrity. This understanding is rooted in principles of structural engineering, which ensure that the materials used can adequately support anticipated stresses.

Therefore, with a ground snow load of 50 psf, the permissible maximum cantilever length of 67 inches for the specified 2 x 12 joists reflects the safe practice accepted in construction, ensuring the structural performance is reliable in snow load conditions.