When choosing an outdoor bench, longevity is a top concern. The core difference between metal and wooden benches in terms of durability comes down to material properties and environmental interaction.
Metal benches, typically made from aluminum, steel, or wrought iron, boast inherent strength and resistance to bending or cracking. Modern powder-coated or galvanized finishes provide excellent protection against rust and UV damage, requiring minimal upkeep beyond occasional cleaning. Their primary vulnerability is scratches in the coating, which can lead to corrosion if left untreated, especially in humid climates.
Wooden benches, offering classic charm, have a more complex longevity profile. Dense hardwoods like teak, cedar, or ipe naturally resist moisture, insects, and decay, often lasting decades. However, they require regular maintenance—sealing or oiling annually—to prevent graying, warping, and splitting. Softwoods are more affordable but less durable and need more frequent protective treatment.
Ultimately, a well-maintained hardwood bench can rival or exceed the lifespan of a metal one. Metal excels in low-maintenance longevity with modern coatings, while wood offers timeless appeal at the cost of periodic care. Your local climate and willingness to maintain the bench are the deciding factors for long-term durability.