1,low-cost and environmental 2,easy in assembling and shipping 3, many-times re-cycling 4,moisture-proof water Technical parameters:1, Wind resistance: grade 11 (wind speed ≤111.5km/h)2, Earthquake resistance: grade 63, Live load capacity of roofing: 0.5kN/m24, External and internal wall heat transmission coefficient: 0.35Kcal/m2hc5, Usage: offices, dormitory, hotel, remote building site, ...