Douglas Fir
Pseudotsuga menziesii · Softwood
AI-generated identification · may be incorrect- Type
- Softwood
- Origin
- Western North America and Pacific Northwest.
- Hardness
- 660 lbf (Soft)
- Durability
- Moderately Durable, with fair resistance to decay but susceptible to insect attack if left untreated.
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Grain Pattern
Straight to slightly wavy grain with a prominent flat-sawn cathedral pattern visible in the texture and surface fibers.
Color & Appearance
Light reddish-brown to yellowish-brown with lighter sapwood, moderate natural luster, and darkens over time with UV exposure.
Hardness (Janka)
660 lbf (Soft)
Durability & Decay Resistance
Moderately Durable, with fair resistance to decay but susceptible to insect attack if left untreated.
Value & Age
Moderate, typically $2 to $5 per board foot depending on grade.
AI estimate for general guidance only — not a professional appraisal. Actual value depends on grade, dimensions, condition, and local market demand.
- Wood Age Estimate
- Estimated 20 to 50 years old based on surface wear and weathering.
Common Uses
Construction, framing, plywood, flooring, structural timber, and exterior decking.
Geographic Origin
Western North America and Pacific Northwest.
Workability
Generally easy to work with hand and machine tools, though it can splinter or tear out if dull blades are used.
Finish Recommendations
Accepts stains, varnishes, and exterior polyurethane well; proper sealing is recommended for outdoor use.
Notable Features
High strength-to-weight ratio, distinct earlywood and latewood contrast, and a characteristic resinous scent.
