Three-component, solvent-free thixotropic mortar for surface sealing, based on cement and epoxy resins. Used for repairing, leveling and smoothing cement-based walls or floors that will be covered with epoxy coatings, polyurethane coatings, etc. Also suitable as a final layer for increasing surface resistance to mechanical loads. Certified according to EN 1504-3 and classified as PCC R4 mortar for concrete repairs. CE marked.