Metal doors are sturdy and durable entryways made from materials like steel or aluminum. They are commonly used in commercial buildings, warehouses, and residential homes for their strength and security features. Metal doors can resist weather elements, making them ideal for exterior use, and they often come with insulation options to improve energy efficiency. These doors are available in various styles and finishes, allowing for customization to match different architectural designs. Additionally, metal doors can be equipped with advanced locking systems, enhancing safety. Their low maintenance requirements and long lifespan make them a practical choice for many applications.