Douglas Fir

Common Name(s): Douglas-Fir

Scientific Name: Pseudotsuga menziesii

Distribution: Western North America

Tree Size: 200-250 ft (60-75 m) tall, 5-6 ft (1.5-2 m) trunk diameter

Average Dried Weight: 32 lbs/ft3 (510 kg/m3)

Specific Gravity (Basic, 12% MC): .45, .51

Janka Hardness: 620 lbf (2,760 N)

Modulus of Rupture: 12,500 lbf/in2 (86.2 MPa)

Elastic Modulus: 1,765,000 lbf/in2 (12.17 GPa)

Crushing Strength: 6,950 lbf/in2 (47.9 MPa)

Shrinkage: Radial: 4.5%, Tangential: 7.3%, Volumetric: 11.6%, T/R Ratio: 1.6

Find Available Suppliers Back to Wood Database