Teak — Tectona grandis
High. The characteristic golden-brown color, oily appearance, ring-porous/semi-ring-porous cross-section structure, and growth ring patterns strongly indicate Teak. confidence

Teak

Tectona grandis · Exotic/Tropical

Type
Exotic/Tropical
Origin
South and Southeast Asia, primarily India, Myanmar, Laos, and Thailand; widely planted across tropical regions globally.
Hardness
1070 lbf (Medium)
Durability
Very Durable. Exceptional resistance to decay, rot, fungi, and termite attacks due to natural oils.

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Grain Pattern

Straight to wavy or interlocked grain with a coarse, uneven texture and prominent growth rings visible on the cross-section.

Color & Appearance

Golden to medium brown, darkening with age, featuring distinctive darker streaks and a somewhat oily or greasy feel with moderate natural luster.

Hardness (Janka)

1070 lbf (Medium)

Durability & Decay Resistance

Very Durable. Exceptional resistance to decay, rot, fungi, and termite attacks due to natural oils.

Value & Sustainability

Estimated Market Value
15.00 to 30.00 USD per board foot depending on grade, origin, and whether it is plantation or old-growth.
Wood Age Estimate
Estimated to be a recently cut or milled log section, likely under 5 to 10 years old based on surface freshness and oxidation level.
Sustainability Status
Not listed on CITES appendices or IUCN Red List for plantation-grown timber, though wild-harvested old-growth from unsustainable sources is restricted.

Common Uses

Boat building, marine decking, outdoor furniture, fine indoor furniture, carving, and exterior construction.

Geographic Origin

South and Southeast Asia, primarily India, Myanmar, Laos, and Thailand; widely planted across tropical regions globally.

Workability

Generally easy to work with hand and machine tools, though its blunt effect on cutting edges is moderate due to silica content. Glues and finishes well despite natural oils.

Finish Recommendations

Teak oil, penetrating oils, or marine finishes work best. Surface preparation may require wiping down with a solvent to remove surface oils before gluing or finishing.

Notable Features

High natural oil and silica content giving it a greasy feel, distinct leather-like scent when freshly cut, and outstanding dimensional stability.

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