Douglas Fir — Pseudotsuga menziesii

Douglas Fir

Pseudotsuga menziesii · Softwood

AI-generated identification · may be incorrect
Type
Softwood
Origin
Western North America and Pacific Northwest growing regions.
Hardness
660 lbf (Soft)
Durability
Moderately Durable with moderate decay and insect resistance.

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Grain Pattern

Straight grain with distinct growth rings and flat-sawn cathedral patterns.

Color & Appearance

Light reddish-brown heartwood with paler yellowish-sapwood, darkening significantly to a deep amber patina with age.

Hardness (Janka)

660 lbf (Soft)

Durability & Decay Resistance

Moderately Durable with moderate decay and insect resistance.

Value & Age

Estimated Market ValueNot an official valuation

3.00 to 6.00 USD 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 50 to 100 years old based on surface oxidation, patina, and wear.

Common Uses

Construction framing, flooring, cabinetry, millwork, and timber structures.

Geographic Origin

Western North America and Pacific Northwest growing regions.

Workability

Cuts and planes easily, but prone to splintering and uneven uptake during sanding.

Finish Recommendations

Polyurethane, varnish, or penetrating oils take well after proper surface preparation.

Notable Features

High strength-to-weight ratio with prominent contrasting earlywood and latewood growth bands.

Learn more about Douglas Fir in the Wood Encyclopedia
Identified October 20, 2026