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Spruce-Pine-Fir Span Tables

Explore our Spruce-Pine-Fir span tables for 2024, meticulously updated to provide vital span data for this commonly used softwood. These tables are indispensable for building robust decks, joists, and rafters, tailored to suit a variety of regional building requirements.


Species Included:

  • Spruce-Pine-Fir
  • Spruce-Pine-Fir (South)

These span tables guide you in constructing safe and cost-effective projects, ensuring compliance with the latest building standards and optimizing material use across different climates.

Customize Input

Spruce-pine-fir Joist and rafters span table based on Dead Load: 10 psf Live Load: 40 psf and deflection limit of L/360

Max span calculations have been based on this RedX Apps Span Calculator.

Spruce-pine-fir Joist and Rafters Max Span Table
Lumber GradeNominal SizeSpacing O.C.
12 in16 in19.2 in24 in
loading...

Spruce-pine-fir (south) Joist and rafters span table based on Dead Load: 10 psf Live Load: 40 psf and deflection limit of L/360

Max span calculations have been based on this RedX Apps Span Calculator.

Spruce-pine-fir (south) Joist and Rafters Max Span Table
Lumber GradeNominal SizeSpacing O.C.
12 in16 in19.2 in24 in
loading...

Disclaimer:

While every effort has been made to insure the accuracy of the information presented, and special effort has been made to assure that the information reflects the state-of-the-art, RedX Technology nor its members assume any responsibility for any particular design prepared from this Span Calculator. Those using this Span Calculator assume all liability from its use.