Douglas Fir
Pseudotsuga menziesii · Softwood
- Type
- Softwood
- Origin
- Western North America (Pacific Northwest, Rocky Mountain region).
- Hardness
- 710 lbf (Soft)
- Durability
- Moderately Durable; offers moderate natural resistance to decay and rot, but susceptible to insect attack.
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Grain Pattern
Straight, clear grain with distinct growth rings visible across the cross-section end grain showing a slight curvature.
Color & Appearance
Warm reddish-brown to light salmon pink heartwood with narrow yellowish-white sapwood tones. Darkens to a deeper reddish-brown with exposure to light.
Hardness (Janka)
710 lbf (Soft)
Durability & Decay Resistance
Moderately Durable; offers moderate natural resistance to decay and rot, but susceptible to insect attack.
Value & Sustainability
- Estimated Market Value
- $3.00 - $6.00 per board foot depending on grade and region.
- Wood Age Estimate
- Recently harvested or processed lumber (under 5 years old), freshly cut end grain with minimal weathering.
- Sustainability Status
- Least Concern (IUCN Red List). Widely managed and harvested sustainably; readily available as FSC-certified lumber.
Common Uses
Structural framing, heavy timber construction, plywood, decking, doors, window frames, millwork, and general carpentry.
Geographic Origin
Western North America (Pacific Northwest, Rocky Mountain region).
Workability
Works easily with both hand and power tools. Glues, stains, and finishes well. Can split when screwed or nailed near edges without pre-drilling.
Finish Recommendations
Accepts paint, stain, clear polyurethane, or oil-based finishes well. Sanding sealer or conditioner helps ensure even stain absorption.
Notable Features
Distinctive resinous, sweet pine-like scent when freshly worked; high strength-to-weight ratio; prominent abrupt latewood-to-earlywood transition.
