AbstractThe corrosion potential of waterproofing acrylate injection resins is relevant when these materials are used in reinforced concrete structures. Sika Technology AG has developed a new generation of acrylate resin gels for use as injection material to seal cracks, repair honeycombed areas, and fill voids in concrete structures. This new material shows promising results in electrochemical laboratory tests for the provision of corrosion protection to the embedded reinforcement. These electrochemical analyses have been carried out at Sika Technology AG and in the Institute for Building Research (ibac) at RWTH Aachen University. The results of this investigation and the corresponding conclusions for their use in building, construction, and refurbishment works are presented below.