Cypress International, LLC

Strength properties : Strength properties at 12% moisture content of Longleaf Pine, Shortleaf Pine, Douglas Fir, Yellow- cedar and Western Red Cedar: Compression Tension Sheer Static Bending Parallel to grain Rt. Angle Rt. Angle Parallel FSPL MR E FSPL MCS FSPL MTS PSI PSI PSI 10 6 PSI Longleaf Pine 6150 8220 950 470 1500 9300 14300 1.93 Shortleaf Pine 5090 7270 750 470 1390 7700 13100 1.76 Douglas Fir 5850 7430 870 340 1160 7800 12200 1.95 Western Red Cedar 4360 5020 610 220 860 5300 8000 1.04 Yellow-Cedar 5210 6310 770 360 1130 7100 11100 1.42 When Longleaf Pine equals 100% Longleaf Pine 100% 100% 100% 100% 100% 100% 100% 100% Shortleaf Pine 83% 88% 79% 100% 93% 83% 92% 91% Douglas Fir 95% 90% 92% 72% 77% 84% 85% 101% Western Red Cedar 71% 61% 64% 47% 57% 57% 56% 54% Yellow-Cedar 85% 77% 81% 77% 75% 76% 78% 74% Compression Tension Sheer Static Bending Parallel to grain Rt. Angle Rt. Angle Parallel FSPL MR E FSPL MCS FSPL MTS PSI PSI PSI 10 6 PSI Douglas Fir 5850 7430 870 340 1160 7800 12200 1.95 Western Red Cedar 4360 5020 610 220 860 5300 8000 1.04 Yellow Cedar 5210 6310 770 360 1130 7100 11100 1.42 When Douglas Fir equals 100% Douglas Fir 100% 100% 100% 100% 100% 100% 100% 100% Western Red Cedar 75% 68% 70% 65% 74% 68% 66% 53% Yellow Cedar 89% 85% 89% 106% 97% 91% 91% 73% Where: FSPL - Fibre Stress at proportional limits MCS - Maximum Crushing Strength MTS - Maximum tensile strength MSS - Maximum Sheer Strength E - Modulus of elasticity Cypress International, LLC