... weight & high strength Mineral fiber ceilings4.1 ComponentsRock wool ceilings are made of basalt, high-quality composite fiber and ... boards. The application of Nanotechnology antibacterial agent in the ceilings is very effectively against mold, fungus and mold regeneration, ... school, bank, hospital, theatre, station, etc4.4 packagesMineral wool ceilings are packed in carton boxes, 14 or 18 pieces in ...