Douglas Fir
Pseudotsuga menziesii · Softwood
- Type
- Softwood
- Origin
- Western North America, stretching from British Columbia down through California and the Rocky Mountains.
- Hardness
- 710 lbf (Soft)
- Durability
- Moderately Durable. Moderate resistance to decay, though susceptible to insect attack if left untreated in damp environments.
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Grain Pattern
Straight grain with distinct growth rings visible as parallel linear patterns, typical of quarter-sawn or rift-sawn conifer lumber.
Color & Appearance
Light brown to pale yellowish-red with contrasting darker reddish-brown latewood bands. Exhibits moderate natural luster.
Hardness (Janka)
710 lbf (Soft)
Durability & Decay Resistance
Moderately Durable. Moderate resistance to decay, though susceptible to insect attack if left untreated in damp environments.
Value & Sustainability
- Estimated Market Value
- 3.00 to 6.00 USD per board foot depending on grade and dimensions.
- Wood Age Estimate
- Estimated to be relatively recently milled (under 10 years), showing fresh saw marks and minimal surface weathering or oxidation.
- Sustainability Status
- Not CITES listed and generally of least concern according to the IUCN. Widely available and sustainably harvested from managed plantations and forests.
Common Uses
Construction, framing, structural plywood, flooring, doors, window frames, and heavy timber framing.
Geographic Origin
Western North America, stretching from British Columbia down through California and the Rocky Mountains.
Workability
Generally easy to work with both hand and machine tools. Can occasionally present splintering or fuzziness due to the differential density between earlywood and latewood bands.
Finish Recommendations
Takes stains and finishes well, though pre-conditioning may be needed for uniform stain absorption due to density variations. Polyurethane, varnish, and exterior oils work well.
Notable Features
High strength-to-weight ratio, pronounced contrast between earlywood and latewood, slight resinous scent when freshly cut.
