1) Easy to assemble and disassemble with simple and common tools. 2) Good waterproof performance without extra facilities. production detailsmaterials: 1.EPS sandwich panel for roof and wall,(color:outside:Ivory white, inside:grey white), the thickness of the panel can be 50mm, 75mm, 100mm, it can be changed by the different conditions. 2."C" section steel for the structure, the thickness can be ...