... 3.CE,ISO,CSA,AS certified 4.flat pack house Flat pack house(certified by CE,B.V., ... , villa, toliet, shop, hotel,camp,workshop,office.6. Good looking and neat inside: Water pipe and wires ... sandwich panel 4.Detailed construction materials of our flat pack house:ItemSpecificationFrameCold formed 3-4mm Steel ... ProfileFloor·0.5 mm flat galvanized steel sheet·100mm non combustible mineral ...