... , 3mm thicknessInsulation 100mm thickness mineral wool (density 40kg/m3);Subfloor 0.5mm galvanised steel sheetFlooring 20mm plywood flooringFloor ... member,Insulation 100mm thickness mineral wool (density 40kg/m3);Roof covering 0.5mm galvanised steel sheet,double folded joint ... profile, steel quality: Q235A, 3mm thicknessscrewed to the roof and floor frame. In this manner, cabins are collapsibleand ...