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 and weathering.
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Grain Pattern
Straight grain with distinct growth rings and occasional small knots typical of construction lumber.
Color & Appearance
Light reddish-brown heartwood with paler yellowish sapwood that darkens slightly upon UV exposure.
Hardness (Janka)
660 lbf (Soft)
Durability & Decay Resistance
Moderately Durable with fair resistance to decay and weathering.
Value & Age
2 to 4 dollars per board foot.
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 20-40 years based on light oxidation and modern construction context.
Common Uses
Structural framing, construction, plywood, flooring, and heavy timber applications.
Geographic Origin
Western North America and Pacific Northwest.
Workability
Easy to cut, plane, and fasten, though knots can cause minor tool resistance and tearing.
Finish Recommendations
Accepts stains, paints, and polyurethane finishes well with minimal surface prep.
Notable Features
High strength-to-weight ratio with prominent, contrasting earlywood and latewood growth rings.
