Sika® FerroGard® Anodes

Owners of large, corrosion prone concrete assets such as wharves, bridges, sea walls and the like can significantly reduce the maintenance costs of those reinforced concrete assets.

Increases the durability of traditional concrete patch repairs by providing protection against incipient anode corrosion. Because the anodes are outside the repair, they are closer to the area where corrosion is most likely to occur and are therefore more effective at preventing corrosion initiation. This external placement also means a higher specification repair mortar can be used, further improving repair durability.

A long term solution for protecting reinforced concrete against reinforcement corrosion. The system greatly extends asset life and reduces ongoing maintenance costs to almost nothing. It is a hybrid system using discrete zinc anodes that are operated initially in a temporary impressed current corrosion protection phase before switching to galvanic protection phase.

Once the impressed current phase is completed (no more than two weeks, the power supplies are removed from the site and the anodes are connected directly to the steel reinforcement where they provide up to 50 years of galvanic protection against initiation of reinforcement corrosion - even in aggressive marine environments.