Charting the Path to a Sustainable Future
Green Building Materials Composite Wood

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Green Spec
American Fence Association

good to be green

PrairiePicketTM Properties


Weight per Picket 5.4 lbs.
Dimensions (actual) 0.375" (thick), 5.125" (wide), 72.0" (long)
Density 65.6 Pounds/ft. cu. ASTM D 792
Compressive Strength 5,791 PSI ASTM D 695
Tensile Strength 3,445 PSI ASTM D 638-94-B
Modulus of Elasticity 479,000 PSI ASTM D 695
Izod Impact 1.4 Ft-lb./in. ASTM D 256-93A
COEF of Linear Thermal Exp. x axis, m/m degree C .000066 ASTM E 831-93
y axis, m/m degree C .000096 ASTM E 831-93
z axis, m/m degree C .000114 ASTM E 831-93
Screw Withdrawal 1,158 lbs. ASTM 1761
Nail Withdrawal 236 lbs. ASTM 1761
Flash Point 645 degrees F, 340 degrees C ASTM D 1929
Melt Temperature Approx. 300 degrees F
Flammability of Interior Materials Pass FMVSS No. 302
Flame Spread Factor (Fs) 6.16 ASTM E 162
Heat Evolution Factor (Q) 29.36 ASTM E 162
Radiant Panel Index (Is) 180 ASTM E 162
Water Absorption (% 24 hrs.) < 2.2% ASTM D 570-98
Composite Lumber