Introduction
Corrosion control systems halt or prevent corrosion of steel reinforcement, a major cause of structural deterioration. They protect embedded rebar from chloride and carbonation attack.’
System | Description | Application |
Anti-Corrosion Coatings | Zinc-rich epoxy / polymer coatings on exposed steel | Reinforcement protection |
Migratory Corrosion Inhibitors | Chemical agents that migrate into concrete and passivate steel | Maintenance repairs |
Impressed Current CP (ICCP) | Electrochemical | Applies counter current to neutralize corrosion |
Cathodic Protection Systems | Anode-cathode setup for electrochemical protection | Bridges, marine, critical structures |
Zinc Mesh / Patch Anodes | Embedded galvanic systems | Targeted rebar zones |
Relevant Codes
- EN 1504-9 — General principles of repair
- BS EN ISO 12696 — Cathodic protection of steel in concrete
- ACI 222R-19 — Corrosion of metals in concrete
Consultant Guidance
- For active corrosion → Combine MCI + re-alkalization or CP.
- For localized patch repairs → Use embedded sacrificial anodes.
- Always test rebar potential before deciding corrosion method.