Southern Yellow Pine (specifically treated/incised dimensional lumber) — Pinus spp. (principally Pinus echinata, Pinus elliottii, Pinus palustris, or Pinus taeda)
High. The characteristic yellowish tone, softwood growth rings, knot structure, and distinct machine-incised grid pattern definitively identify this as pressure-treated Southern Yellow Pine dimensional lumber. confidence

Southern Yellow Pine (specifically treated/incised dimensional lumber)

Pinus spp. (principally Pinus echinata, Pinus elliottii, Pinus palustris, or Pinus taeda) · Softwood

Type
Softwood
Origin
Southeastern and Gulf Coast regions of the United States
Hardness
690 lbf (Soft to Medium, depending on specific pine species)
Durability
Moderately Durable to Durable when pressure-treated with preservatives; non-durable in natural untreated state against rot and insects.

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Grain Pattern

Mostly straight to slightly irregular grain with flat-sawn growth rings and a prominent knot feature. Note the systematic dotted incisions (incising marks) characteristic of pressure-treated lumber meant to aid chemical penetration.

Color & Appearance

Pale yellowish-white to light brown sapwood with reddish-brown heartwood tones. Low natural luster, typical of construction-grade dimensional softwood.

Hardness (Janka)

690 lbf (Soft to Medium, depending on specific pine species)

Durability & Decay Resistance

Moderately Durable to Durable when pressure-treated with preservatives; non-durable in natural untreated state against rot and insects.

Value & Sustainability

Estimated Market Value
Low cost, typically $1.00 to $2.50 per board foot (standard framing lumber pricing).
Wood Age Estimate
Relatively recent/modern kiln-dried or pressure-treated lumber, approximately 1 to 10 years old based on clean surfaces and standard commercial milling.
Sustainability Status
Highly sustainable, widely plantation-grown, fast-growing, not CITES listed, and abundant with strong FSC certification availability.

Common Uses

General construction, framing, outdoor decking, posts, exterior structures, and utility poles.

Geographic Origin

Southeastern and Gulf Coast regions of the United States

Workability

Easy to cut, nail, and screw, though knots can sometimes cause tearing. Pitch can occasionally gum up saw blades and sanding belts. Takes pressure-treatment chemicals easily.

Finish Recommendations

Exterior semi-transparent stains, paints, or exterior sealers once the wood has fully dried out from the treating process.

Notable Features

Distinctive incised pattern (small rectangular slits) across the surface indicating industrial pressure treatment to resist decay. Contains natural resins and exhibits moderate strength-to-weight ratio.

Learn more about Southern Yellow Pine (specifically treated/incised dimensional lumber) in the Wood Encyclopedia
Identified July 31, 2026