Douglas Fir
Pseudotsuga menziesii · Softwood
- Type
- Softwood
- Origin
- Western North America, particularly the Pacific Northwest and Rocky Mountain regions.
- Hardness
- 710 lbf (Soft)
- Durability
- Moderately Durable, offering decent resistance to decay compared to other softwoods, though susceptible to insect attack if left untreated in damp conditions.
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Grain Pattern
Straight grain with vertical grain (quarter-sawn/rift-sawn) orientation visible on the end/edge profile, exhibiting tight growth rings typical of old-growth or high-grade construction lumber.
Color & Appearance
Light reddish-brown to orange-brown heartwood with a paler yellowish sapwood, showing moderate luster and darkening slightly to a deeper amber hue upon prolonged exposure to light and oxidation.
Hardness (Janka)
710 lbf (Soft)
Durability & Decay Resistance
Moderately Durable, offering decent resistance to decay compared to other softwoods, though susceptible to insect attack if left untreated in damp conditions.
Value & Sustainability
- Estimated Market Value
- Moderate, typically ranging from $3.00 to $6.00 per board foot depending on grade and whether it is vertical grain.
- Wood Age Estimate
- Estimated to be several decades old (20-50+ years) based on surface oxidation, dryness, and oxidation patina.
- Sustainability Status
- Not CITES listed and of least concern according to the IUCN. Widely available through sustainable forestry initiatives and plantations.
Common Uses
Construction and framing, plywood, flooring, heavy timber construction, doors, window sashes, and boat building.
Geographic Origin
Western North America, particularly the Pacific Northwest and Rocky Mountain regions.
Workability
Generally easy to work with both hand and machine tools, though it has a tendency to splinter or tear out if cutting edges are not sharp due to the contrast between earlywood and latewood density.
Finish Recommendations
Takes stains and finishes well, though a pre-stain conditioner is often recommended for even absorption due to the alternating density of the growth rings. Polyurethane, varnish, or penetrating oils work effectively.
Notable Features
High strength-to-weight ratio, pronounced contrast between earlywood and latewood rings, distinct resinous scent when freshly cut.
