A good metal roof can extend the service life of a building, mainly because it has good durability and corrosion resistance. This roofing material is able to withstand harsh weather conditions, natural disasters, and the erosion of time, thereby protecting the building structure from damage. Its stable surface can reduce the impact of moisture penetration and ultraviolet radiation on the building, thereby slowing down the aging rate of the roof structure and extending the life of the building. In addition, the ease of maintenance and cleaning of metal roofs also makes building maintenance easier, reducing maintenance costs and frequency, and further extending the service life of the building.