Douglas Fir
Pseudotsuga menziesii · Softwood
- Type
- Softwood
- Origin
- Pacific Northwest of North America and western mountainous regions
- Hardness
- 660 lbf (Soft)
- Durability
- Moderately Durable, with fair resistance to decay but vulnerable to insect attack if untreated
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Grain Pattern
Straight, vertical grain with distinct growth rings typical of quartersawn or riftsawn lumber
Color & Appearance
Light brown to pale yellowish-reddish brown with lighter contrasting sapwood; patinas to a grayish tone when exposed to UV light
Hardness (Janka)
660 lbf (Soft)
Durability & Decay Resistance
Moderately Durable, with fair resistance to decay but vulnerable to insect attack if untreated
Value & Sustainability
- Estimated Market Value
- $3.00 to $6.00 per board foot for standard grades
- Wood Age Estimate
- Estimated 10 to 30 years based on surface oxidation and minimal weathering
- Sustainability Status
- Not CITES listed, IUCN Least Concern, widely available and sustainably managed in tree farms
Common Uses
Construction framing, plywood, heavy timber construction, flooring, doors, and window frames
Geographic Origin
Pacific Northwest of North America and western mountainous regions
Workability
Generally easy to work with both hand and tools, though earlywood and latewood density difference can cause uneven planing or splintering
Finish Recommendations
Takes stains and finishes well, though oil-based polyurethanes or penetrating oils highlight the grain best; conditioning may be needed for uniform staining
Notable Features
High strength-to-weight ratio, distinct resin canals, and a pronounced contrast between earlywood and latewood bands
