Warranty GiorginŽ warrants its services in the field of slip-proofing: On the anti-slip application on stone and tile floors of abrasion type 4, GiorginŽ grants a warranty of four years and 5 years for the preservation of the slip-proofing (for surfaces treated by us). On slip-proof coatings, GiorginŽ grants a warranty of three years for the preservation of the slip-proofing (for surfaces treated by us).