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Cedar Span Tables

Discover the detailed Cedar span tables for 2024, offering essential data for various cedar species widely used in construction for their natural durability and aesthetic appeal. These tables provide guidance on maximum allowable spans, ensuring safe and effective use in projects such as roofing, decking, and structural framing.


Species Included:

  • Yellow Cedar
  • Alaska Yellow Cedar
  • Northern White Cedar
  • Alaska Cedar
  • Western Cedars

Utilize these span tables to ensure that your construction projects are both beautiful and built to last, adhering to the latest building standards.

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Yellow Cedar 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.

Yellow Cedar Joist and Rafters Max Span Table
Lumber GradeNominal SizeSpacing O.C.
12 in16 in19.2 in24 in
loading...

Alaska Yellow Cedar 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.

Alaska Yellow Cedar Joist and Rafters Max Span Table
Lumber GradeNominal SizeSpacing O.C.
12 in16 in19.2 in24 in
loading...

Northern White Cedar 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.

Northern White Cedar Joist and Rafters Max Span Table
Lumber GradeNominal SizeSpacing O.C.
12 in16 in19.2 in24 in
loading...

Alaska Cedar 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.

Alaska Cedar Joist and Rafters Max Span Table
Lumber GradeNominal SizeSpacing O.C.
12 in16 in19.2 in24 in
loading...

Western Cedars 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.

Western Cedars 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.