TopMeister Stein Extra - impregnation sandstone 5l
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Professional hydrophobic nano preparation for sandstone impregnation.It protects against dirt for up to 4 years.Makes surface cleaning easier.Protects against moss growth.It creates a lotus effect on the surface.PRODUCT USE: facade boards, terrace tiles, fencing elements, architectural details.EFFICIENCY: approx. 7-15 m2 per 1 liter of product.EFFECTIVENESS OF THE PRODUCT: 36 - 48 months depending on the use of the treated surface.COMPOSITION: organosilicate compounds <8%, potassium hydroxide <0.5%, water.