Disadvantages of light steel villa?

Light steel villa, the main material is made of hot-dip galvanized steel strip by cold rolling technology synthesis of light steel keel, relative to the soil mix, light steel between the gap exists a great advantage, and light steel is a light building materials, relative to natural disasters, whether typhoons or earthquakes, can be based on their own advantages as well as integrated wall panels of the toughness of the counter-acting resistance to protect the family's safety effectively. Disadvantages also have such as high maintenance costs, light steel square body, exposed roof and exterior walls are steel-containing new materials, poor corrosion resistance, the need for regular overhaul and maintenance; light steel housing walls are thin, not soundproof, poor fire performance.