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Prefabriated motel(Steel structure house):
1) Fire resistance grade: Grade Three or Grade Two with special handling
2) Design service years: 70 years. The actual life time may be even longer
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 hour
6) Construction period: 3 months from foundation building to decoration.
Prefabricated motel(Steel structure house)