Hardwood · South and Southeast Asia

Teak

Tectona grandis

Golden brown, weathers to silver-grey.

Janka hardness1,070 lbf

Density (12% MC)41.0 lb/ft³

Weight per board foot3.4 lb

Rot resistanceVery high

Workability3/5

Price$$$$$

Hardness compared

White pine Yellow Poplar Black Cherry Teak Red Oak Hard Maple Shagbark Hickory Jatoba

Natural oils make it weatherproof but hard to glue — wipe joints with acetone first. High silica dulls tools fast.

Typical uses: Boat decks, outdoor furniture, bathroom fittings.

Tangential coefficient (flatsawn)	0.00186 per 1% MC
Radial coefficient (quartersawn)	0.00101 per 1% MC
T/R ratio	1.84 (prone to cupping when flatsawn)
12" flatsawn board, 6% → 11% MC	0.112" (≈ 2.8 mm)

Wood & Materials Beginner

3 min readOct 17, 2026

Wood & Materials Intermediate

3 min readOct 17, 2026

Project Plans Intermediate

3 min readOct 17, 2026