Likely Douglas fir; alternative: western larch or another straight-grained softwood. — Pseudotsuga menziesii

Likely Douglas fir; alternative: western larch or another straight-grained softwood.

Pseudotsuga menziesii · Softwood (conifer).

AI-generated identification · may be incorrect
Type
Softwood (conifer).
Origin
Pacific Northwest and western North America, from British Columbia through California and the Rocky Mountains.
Hardness
Janka about 620 lbf — Soft.
Durability
Slightly durable; heartwood has limited decay resistance, while sapwood is vulnerable to rot and insects, especially outdoors.

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Grain Pattern

Predominantly straight, fine-to-medium grain with pronounced vertical latewood bands; flat-sawn boards show subtle cathedral grain and a small knot.

Color & Appearance

Pale yellow-tan to light orange-brown heartwood with lighter sapwood; moderate luster and mild darkening/orange warming with age and light.

Hardness (Janka)

Janka about 620 lbf — Soft.

Durability & Decay Resistance

Slightly durable; heartwood has limited decay resistance, while sapwood is vulnerable to rot and insects, especially outdoors.

Value & Age

Estimated Market ValueNot an official valuation

Approximately US$3–8 per board foot for clear, surfaced material; common construction grade may be US$1–3.

AI estimate for general guidance only — not a professional appraisal. Actual value depends on grade, dimensions, condition, and local market demand.

Wood Age Estimate
The board appears relatively modern; surface wear and oxidation suggest roughly 5–30 years, but age cannot be determined reliably from the image.

Common Uses

Framing, beams, trim, doors, cabinetry, furniture, flooring, veneer, and general millwork.

Geographic Origin

Pacific Northwest and western North America, from British Columbia through California and the Rocky Mountains.

Workability

Machines and sands well, though resin and alternating hard latewood can cause uneven planing or slight tearout; predrilling improves fastening and standard adhesives work well.

Finish Recommendations

Sand evenly, seal porous end grain, then use oil, shellac, lacquer, or polyurethane; a washcoat or sanding sealer helps prevent uneven absorption.

Notable Features

Distinctive growth-ring contrast, moderate strength-to-weight ratio, and occasional resin pockets or knots; the pictured board has unusually even, narrow grain.

Learn more about Likely Douglas fir; alternative: western larch or another straight-grained softwood. in the Wood Encyclopedia
Identified September 5, 2026