Douglas Fir — Pseudotsuga menziesii
Medium, based on the characteristic reddish-brown tone, prominent growth ring contrast, and typical appearance of construction-grade softwood lumber confidence

Douglas Fir

Pseudotsuga menziesii · Softwood

Type
Softwood
Origin
Pacific Northwest of North America
Hardness
660 lbf (Soft)
Durability
Moderately Durable, with moderate resistance to rot and fungal decay

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Grain Pattern

Straight grain with distinct growth rings and a classic flat-sawn cathedral pattern

Color & Appearance

Light brown to reddish-brown heartwood with a lighter yellowish-white sapwood, darkening slightly upon light exposure

Hardness (Janka)

660 lbf (Soft)

Durability & Decay Resistance

Moderately Durable, with moderate resistance to rot and fungal decay

Value & Sustainability

Estimated Market Value
2.00 to 5.00 USD per board foot
Wood Age Estimate
Estimated to be 10 to 30 years old based on modern dimensional lumber appearance and construction usage
Sustainability Status
Generally abundant and sustainable, widely managed in commercial tree farms with FSC certification readily available

Common Uses

Construction framing, plywood, heavy timber construction, flooring, and veneer

Geographic Origin

Pacific Northwest of North America

Workability

Generally easy to work with both hand and machine tools, though knots can be hard and cause dulling of blades; glues and finishes well

Finish Recommendations

Accepts stains, varnishes, and polyurethane well, though pre-conditioning may be helpful for even stain absorption on softer earlywood

Notable Features

High strength-to-weight ratio, distinct contrasting earlywood and latewood bands, and a mild resinous scent

Learn more about Douglas Fir in the Wood Encyclopedia
Identified August 15, 2026