... Roof & Wall: Kinds of color steel sandwich with EPS,PU,ROCK WOOL Sandwich Panel HouseProduct description1.Frame material of House,Light ... exterior is1.2mm steel plate;Insulation filled is 50/75mm rock wool or EPS,PU color steel sandwich panel;Inner ... is made of aluminum, Insulation, 50/75mm thick EPS/PVC/rock wool panelHousing performance, features and functions1.Structural safety and reliabilityWind ...