Outdoor stone sculptures are exposed to harsh weather conditions, making protective finishes essential for longevity. The most common finishes include penetrating sealers, which absorb into the stone to repel water and stains without altering appearance. Acrylic coatings provide a durable, UV-resistant barrier, while wax-based finishes offer a natural sheen and moisture protection. Epoxy resins are ideal for high-traffic areas due to their toughness, and specialized anti-graffiti coatings simplify cleaning. Regular maintenance with these finishes ensures sculptures withstand rain, sun, and pollution while retaining their artistic integrity for decades. Choosing the right finish depends on stone type, climate, and desired aesthetic effect.