When selecting wood for an outdoor bench that will withstand the elements for years, several species stand out for their exceptional durability and weather resistance. The champion of outdoor woods is undoubtedly teak. Teak contains natural oils and rubber that make it incredibly resistant to moisture, rot, and insect damage. It can last for decades with minimal care, gracefully aging to a beautiful silvery-gray patina.
Close contenders include cedar and ipe. Cedar is a popular choice for its natural resistance to decay and insects, thanks to its aromatic oils. It's lighter than teak but offers excellent longevity and is often more affordable. Ipe, a dense Brazilian hardwood, is another top-tier option. It's so durable it's often compared to steel and can last over 25 years even in harsh conditions, though its density makes it difficult to work with.
For a budget-friendly yet durable option, high-quality pressure-treated pine is a solid choice. The chemical treatment process forces preservatives deep into the wood, protecting it from rot and insects. While it may not have the same natural beauty or ultra-long lifespan as tropical hardwoods, modern treatments ensure it will serve well for many years, especially when sealed or stained.
Ultimately, the most durable wood depends on your specific needs: teak for unparalleled, low-maintenance longevity; cedar for a great balance of durability and workability; ipe for maximum strength in extreme weather; and pressure-treated pine for reliable performance on a budget.