prefabricated house ( steel structure house, steel structure office building )

Prefabricated house

Performance

1. Fire resistance grade: Grade Three or Grade Two with special handling

2. Design service years: 70 years

3. Heat transfer coefficient: k=0.417W/m2K in summer and k=0.418W/m2K in winter, which are one third of that of conventional wall system

4. Average sound insulation factor of standard composite exterior wall (220mm): 56dB

5. Fire resistance rating: 1.8 to 4 hours

6. Construction period: 5 months from foundation building to decoration