Teak (Tectona grandis) is best known for its exceptional natural weather resistance, making it the premier choice for outdoor furniture, boat decks, marine applications, and garden furniture worldwide. Its high silica and oil content naturally repel moisture, insects, and rot without requiring chemical treatment.

Teak is used for outdoor furniture because of its high natural oil content and silica, which make it extraordinarily resistant to moisture, rot, insects, and extreme weather. Unlike most woods, Teak can be left untreated outdoors and will weather gracefully to a silver-grey patina while maintaining structural integrity for decades.

Teak has a Janka hardness of 1,155 lbf (5,135 N), placing it in the moderate-to-hard range of hardwoods. While not as hard as Maple or White Oak, its exceptional natural oils compensate for this, providing outstanding durability and weather resistance far beyond what its hardness rating alone would suggest.

Plantation Teak is considered high quality and is now the most commercially available and ethically sourced form of Teak. While old-growth Teak may have slightly tighter grain due to slower growth, plantation Teak offers excellent durability, workability, and weather resistance. It is widely recommended as the sustainable alternative to old-growth harvesting.

Teak heartwood ranges from golden-yellow to medium brown when freshly cut, often with darker streaks. When left unfinished outdoors, it weathers to an attractive silver-grey within 6–12 months. Applying Teak oil or a UV-protective sealer regularly can maintain the original golden color for longer.

Teak does not require oiling for structural integrity or weathering performance, as its natural oils provide sufficient protection. However, applying Teak oil or a teak sealer periodically can preserve its golden color and slow the natural greying process. If you prefer the grey patina, no maintenance oiling is necessary.

Yes, Teak has been the gold standard for boat decking for centuries. Its natural slip resistance when wet, resistance to saltwater, rot, and marine organisms, combined with its attractive appearance and durability, make it unrivaled for marine applications including deck planking, railings, and dock furniture.

Teak (Tectona grandis) is native to South and Southeast Asia, particularly Myanmar (Burma), India, Thailand, and Laos. Due to strong global demand and restricted old-growth harvesting, most commercial Teak today comes from managed plantation forests in Indonesia, Costa Rica, and other tropical regions.

Purchasing plantation-grown, FSC-certified Teak is the most sustainable option. Old-growth Teak from Myanmar and other regions is subject to CITES regulations and logging bans. Always look for suppliers offering certified plantation Teak to ensure your purchase supports responsible forest management rather than old-growth deforestation.

Teak's high natural oil content means many finishes do not adhere well. Penetrating Teak-specific oils, hardwax oils, or marine-grade varnishes work best. The wood surface should be degreased with acetone before applying any finish to improve adhesion. For indoor furniture, Danish oil or hard wax oil provides an attractive natural look.