Introducing ALAMENTTI Sandwich Panels, Roof panel with polystyrene coreCore: FS 15 polystyreneExternal cladding:Galvanized, painted steel sheet, standard PE protectionInternal cladding:Galvanized, painted steel sheet, standard PE protectionModular width: 1000 [mm]Thicknesses (at the hump): 135, 185, 235, 285 [mm]