4×4 with 4ea .5″ Fiberglass Rods

American Plastic Lumber Inc

Structural Lumber Span Table

4×4 with 4ea .5″ Fiberglass Rods

Width
inches
3.5
Height
inches
3.5
Number of Rods
4
Rod Diameter
inches
0.5
Weight
[lbs/ft]
5.42
Specific Gravity
1.0219
Modulus of Elasticity, E
[psi]
504,316
Moment of Inertia, I
[in^4]
12.51
Stiffness, EI
[lb-in^2]
6.31E+06
Max. Yield Stress in Bending
[psi]
13,238
Moment Capacity, Max Yield
[in-lbs]
94,599

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Ameri-Board Plank, Rail & Stair System