Are aluminum outdoor benches prone to oxidation if the protective coating wears off?

Aluminum outdoor benches are popular for their durability and lightweight properties. However, a common concern is whether they oxidize if the protective coating wears off. Aluminum naturally forms a thin oxide layer when exposed to air, which helps prevent further corrosion. Unlike iron, aluminum's oxidation doesn't cause rust but may lead to a dull, chalky appearance over time.

If the protective coating is damaged, the bench may become more susceptible to environmental factors like moisture and salt, accelerating surface degradation. Regular maintenance, such as cleaning and reapplying protective sealants, can significantly extend the bench's lifespan.

In summary, while aluminum benches don't rust, they can oxidize mildly without proper coating. Proactive care ensures they remain attractive and functional for years.