LAVAFER is a two-component, cementitious corrosion-inhibiting slurry designed to protect steel reinforcement in concrete repair systems. Part A contains hydraulic binders and additives, while Part B is a polymer emulsion enriched with migrating corrosion inhibitors. When applied, it forms a dense, water-resistant barrier that provides strong anodic passivation and long-term corrosion protection. LAVAFER enhances adhesion between steel and concrete and serves as an effective primer for repair mortars, especially within the MATEX system. It significantly extends the service life of reinforced structures exposed to aggressive environments, making it an essential component in high-performance concrete rehabilitation and protection strategies.