Specifications - Yellow Cedar

Specifications Where to Buy

Base design values for Yellow Cedar

Visually graded (NLGA) 2-4 in.thick x 2 in. & wider

			Compression
Grade	Extreme Fiber Stress in Bending Fb	Tension Parallel to Grain Ft	Horizontal Shear Fv	Perpendicular to Grain Fc	Parallel to Grain Fc	Modulus of Elasticity (million psi) E
Select Structual	1200	725	175	540	1200	1,600,000
No.1/No. 2	800	475	175	540	1000	1,400,000
No. 3	475	275	175	540	575	1,200,000
Construction	925	550	175	540	1200	1,300.00
Standard	525	300	175	540	1050	1,200.00
Utility	250	150	175	540	675	1,100,000
Stud	625	375	175	650	540	1,200,000

Design Values for Visually Graded (NLGA)

Yellow Cedar timbers (5×5 and larger)

		Design values in pounds per square inch (psi)
Size Grade	Classification	Extreme Fiber Stress in Bending Fb	Tension Parallel to Grain F1	Shear Parallel to Grain Fv	Compressions Perpendicular to Grain Fc	Compression Parallel to Grain Fc	Modulus of Elasticity E
Select Structural	Beams and Stringers	1150	675	130	425	850	1,000,000
No. 1		925	475	130	425	700	1,000,000
No. 2		625	300	130	425	450	800,000
Select Structural	Posts and Timber	1050	700	130	425	900	1,000,000
No. 1		875	575	130	425	800	1,000,000
No. 2		500	350	130	425	550	800,000

Stability and Shrinkage in Engineering Data

Shrinkage of yellow cedar from green to overn dry

Radial – 2.8%

Tangental – 6.0%