Metal House 1.customized design 2.low foundation cost 3.easy construction, ... , warehouses, mess halls, cabins, sentry boxes and villas, etc. Metal House Steel frames: Q235 and Q345; surface hot-dip galvanized or ... 50, 75, 100mm EPS, PU, rockwool sandwich boards.Windows and doors: PVC or aluminium alloyPacking: in bulk or according to Buyers ...