Iron doors offer distinct advantages over materials like wood, aluminum, or uPVC, making them a preferred choice for durability, security, and aesthetic longevity. In terms of durability, iron’s high tensile strength (yield strength ≥345MPa) allows it to withstand impacts, harsh weather, and daily use without warping or cracking, unlike wood that may rot or delaminate. Corrosion resistance has improved with modern treatments—hot-dip galvanization, zinc-nickel plating, and multi-layer coatings—enabling iron doors to perform in coastal or industrial environments where aluminum might corrode and uPVC might fade. Security is a key advantage: iron’s inherent strength resists forced entry, with options for reinforced cores, anti-drill locks, and ballistic inserts, surpassing the security of wood or uPVC doors. Aesthetically, iron doors offer unparalleled design flexibility, from intricate wrought iron scrolls to minimalist laser-cut patterns, while maintaining a timeless appeal that wood may lose as it ages. Thermal performance has improved with insulated cores, matching or exceeding aluminum doors’ energy efficiency. Additionally, iron doors have a longer lifespan (50+ years with proper maintenance), lower total cost of ownership due to minimal repairs, and are recyclable, contributing to sustainability. These advantages make iron doors a premium choice for discerning clients.