Arepanel S MiWo wall sandwich panels, manufactured from inflammable mineral wool, are devoted for preparation of walls in various kinds of construction objects, with steel and reinforced concrete structures. The S MiWo wall sandwich panels are applied in industrial, commercial and public utility buildings, mainly in case of objects with high requirements regarding fire protection regulations and acoustic insulation parameters, with a simultaneous guarantee of high-quality thermal insulation of objects. They are composed of two pieces of cladding prepared from steel sheets, and a core manufactured from inflammable slats, stone mineral wool. Such a structure also enable quick and simple horizontal or vertical assembly. Regardless to existing weather conditions. Regarding its fire protection characteristics, acoustic insulation, and no negative environmental impact, the ARPANEL sandwich panels with the mineral wool core meet the highest European standards.