Douglas Fir — Pseudotsuga menziesii

Douglas Fir

Pseudotsuga menziesii · Softwood

AI-generated identification · may be incorrect
Type
Softwood
Origin
Western North America and Pacific Northwest.
Hardness
660 lbf (Soft)
Durability
Moderately Durable, with fair resistance to rot and weathering.

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Grain Pattern

Straight grain with prominent growth rings and occasional tight knots.

Color & Appearance

Weathered to a silvery gray on the surface, with underlying reddish-brown tones.

Hardness (Janka)

660 lbf (Soft)

Durability & Decay Resistance

Moderately Durable, with fair resistance to rot and weathering.

Value & Age

Estimated Market ValueNot an official valuation

$3.00 to $6.00 per board foot for standard grades.

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 at 30 to 60 years old based on severe UV weathering and oxidation.

Common Uses

Construction framing, flooring, exterior siding, and heavy timber framing.

Geographic Origin

Western North America and Pacific Northwest.

Workability

Easy to work with hand and machine tools, though knots can cause minor tearing.

Finish Recommendations

Penetrating oils or exterior semi-transparent stains after surface sanding.

Notable Features

High strength-to-weight ratio with distinct contrast between earlywood and latewood rings.

Learn more about Douglas Fir in the Wood Encyclopedia
Identified October 28, 2026