Douglas Fir — Pseudotsuga menziesii
Medium, based on the characteristic linear grain texture and weathering pattern typical of aged structural softwoods like Douglas Fir. confidence

Douglas Fir

Pseudotsuga menziesii · Softwood

Type
Softwood
Origin
Pacific Northwest of North America and western mountainous regions.
Hardness
660 lbf (Soft)
Durability
Moderately Durable

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Grain Pattern

Straight grain with pronounced vertical grain lines, flat-sawn appearance showing weather-beaten surface checking and linear grain texture.

Color & Appearance

Aged to a weathered silvery-gray due to exposure to UV light and moisture, with underlying tones of pale reddish-brown hidden beneath the surface layer.

Hardness (Janka)

660 lbf (Soft)

Durability & Decay Resistance

Moderately Durable

Value & Sustainability

Estimated Market Value
3.00 to 7.00 USD per board foot depending on grade and whether it is reclaimed.
Wood Age Estimate
Estimated 40 to 80+ years old, heavily weathered exterior indicating decades of exposure.
Sustainability Status
Generally sustainable, widely planted and harvested, not CITES listed.

Common Uses

Construction, framing, flooring, exterior decking, heavy timber construction, and reclaimed wood accent walls.

Geographic Origin

Pacific Northwest of North America and western mountainous regions.

Workability

Easy to work with hand and machine tools, though weathered surfaces can dull blades quickly. Glues and finishes well once the weathered layer is removed.

Finish Recommendations

Penetrating oils or clear exterior sealants if weathering is to be stopped; sanding down to fresh wood is required for fine indoor finishes.

Notable Features

High strength-to-weight ratio, distinct contrast between earlywood and latewood, prominent checking when weathered.

Learn more about Douglas Fir in the Wood Encyclopedia
Identified August 23, 2026