... Opinions 1)steel structure building, 2)steel frame building, 3) modular house, mobile house4) prefab house, container house ... , canopy6) hangar, sports centre, shopping mall,storage7)steel H-beams, C&Z purlin, steel angle, square steel, ... Door Roof: Color corrugated steel sheet(Thickness 0.3-0.8) sandwich panel(Thickness 50-250) ... on roof(KN/M2)2)Wind speed(KM/H)3)Snow load (KG/M2)4)Earthquake load if ...