Bronze sculptures displayed outdoors face constant exposure to environmental elements, making them susceptible to oxidation and corrosion. Artists employ a variety of techniques to preserve these artworks, ensuring their longevity and visual appeal.

One common method is applying protective coatings, such as wax or lacquer, which create a barrier against moisture and pollutants. Regular reapplication is necessary to maintain effectiveness. Another approach involves patination, a chemical process that forms a stable oxide layer on the sculpture's surface, enhancing both durability and aesthetic qualities.

For long-term protection, some artists use electrochemical treatments like cathodic protection, which prevents corrosion by making the sculpture the cathode in an electrochemical cell. Additionally, proper placement plays a crucial role—avoiding areas with high pollution or salt exposure significantly reduces deterioration risks.

Routine maintenance, including gentle cleaning with specialized solutions, helps remove harmful deposits without damaging the patina. By combining these methods, artists ensure their bronze masterpieces withstand the test of time while retaining their artistic integrity.