... 100*250,distance is 1200mmRoofOutside steel:1.2mm steel sheet kneel:2mm thickness steel purlin Insulation:80mm thickness fiber ... , SHS house, H house, container house, light steel structure villa, steel structure warehouse, sentry box, sandwich panel and other constructive ... house?A: Our prefabricated house materials mainly include light steel structure, sandwich panel, roof tile, door, window, ...