___ ornamental fence systems offer superior corrosion resistance and low maintenance.

• A. Galvanized steel
• B. Welded steel
• C. Aluminum
• D. Welded steel assembled

Answer: (C)

Aluminum fencing systems offer superior corrosion resistance and low maintenance because aluminum naturally forms a protective oxide layer that resists corrosion and doesn’t rust, even in humid or coastal environments. This means the fence can maintain its appearance without frequent painting or protective coatings. In contrast, steel fences rely on coatings like galvanization or paint; when those coatings wear or are damaged, rust can develop at exposed areas and welds, leading to more maintenance over time. Aluminum’s lighter weight also reduces stress on the structure, helping keep the finish intact with less upkeep. For ornamental designs that need a durable, long-lasting, low-maintenance finish, aluminum is typically the best choice.