Stone wool does not contribute to the development or spread of fire.
Stone wool is the safe basis of all Rockfon products. It is made of basalt rock which is, by nature, non-combustible and does not melt below 1000°C.
Behaviour of different materials according to the standard time/temperature curve of Fire resistance standard ISO 834.Rockfon meets or exceeds the fire safety norms in all European countries and has invested heavily in fire testing and related developments.
To contribute to the prevention of the devastating effects of fires, two European regulations apply to construction materials: