HydroBloc Si-742-K aqua

HydroBloc Si-742-K aqua is a water-based impregnation for the water-repellent treatment of mineral surfaces. The silane compound can be diluted with water. The reactive silane bonds with the building material and reduces water absorption without forming a film. HydroBloc Si-742-K aqua is suitable for concrete, sand-lime brick, brick, aerated concrete and natural stone. The impregnation is resistant to air pollution and does not impair water vapour permeability. Treated surfaces are water-repellent.