The lifespan of aluminum sheets can vary significantly based on the environment and usage conditions. Generally, aluminum sheets have a long lifespan, often lasting 50 years or more without significant deterioration when properly maintained. This durability makes aluminum sheets a popular choice for construction and manufacturing applications. Compared to other materials, such as steel, aluminum is lighter and more resistant to corrosion, which can extend its lifespan in certain environments. However, steel may be more suitable for applications requiring high strength, while aluminum excels in applications where weight and corrosion resistance are priorities.