Before cleaning, thoroughly pre-wash the tile area so that the joints become saturated with water (makes that the acidic cleaner can only react on the surface). Pre-dilute Rak 2000 1:1 to 1:5 with water depending on the extent of soiling. Clean the soiled surfaces using a scrubber or brush. Rinse with water after the cleaning.
Because of the great variety of applications, methods and material properties, this information sheet can only be a non-binding advice based on our experiences. No liability for any achievable results in an application can be derived from this. For special purposes, a preliminary test for material compatibility has always to be carried out. We can not be held liable for any improper use and damages resulting from this. Official, in particular local, regulations must be observed. Our products are subject to technical changes.