Steam-permeable product for impregnation of natural stones and conglomerate stones. Can be used both indoors and outdoors. Protects the surface against the action of liquids and greases and improves the resistance to scratches. The preparation leaves neither any coating on the surface, nor does it change the stone color. Perfectly protects sandstone elements against weather effects. Package sizes offered: 0,2l, 1l, 5l.