Technical Wood Properties for Douglas Fir Softwood
Technical information about Douglas Fir from TrailerDecking.com
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- Scientific Name, Other Names: Pseudotsuga menziesii, Blue Douglas-fir, British Columbia pine, British Colubian pine, Coast Douglas-fir, Colorado Douglas-fir, Colorado Pino real, Colorado real, Columbian Pine, Douglas spruce, Inland Douglas-fir, Interior Douglas-fir, Oregon Douglas-fir, Oregon pine, Puget Sound pine, Red fir, Rocky Mountain Douglas-fir, Yellow fir
- Description: Douglas Fir has been used for centuries in the construction industry. One of the most common woods in the Western US, Douglas Fir is available in a wide range of grades from cheap construction material under $200/MBF all the way up to Clear All Heart Veneer Slicing material at over $6,000/MBF.
- Janka Hardness: 660 pounds
- Strength (MOR): 12,400 psi
- Stiffness (MOE): 1,950 1000 psi
- Density (KG/m3): 530
- Tangential Shrinkage: 7.6%
- Radial Shrinkage: 4.8%
- About: Douglas Fir is commonly used as tight knot trailer flooring for personal utility trailers, but is rarely used for heavy duty industrial applications. Douglas Fir is somewhat naturally durable and very strong for its light weight.
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- Geographic Area: Pacific NW and Northern California
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