Prefabricated house 1.House Frame:Steel Structure Q235 2.Roof & Wall: Kinds of color steel sandwich with EPS,PU,ROCK WOOL Prefabricated houseProduct description1.Frame material of House,Light steel structure material Q2352.Material of Wall, Roof exterior is1.2mm steel plate;Insulation filled is 50/75mm rock wool or EPS,PU color steel sandwich panel;Inner wainscot is 9mm MDF3.Material of Roof is1. ...