This interior high-build zinc phosphate epoxy system provides effective corrosion protection for carbon steel in C5 environments. It features an epoxy primer with zinc phosphate for rust inhibition, a MIO-reinforced epoxy intermediate layer for long-term durability, and a high-corrosion-resistant epoxy topcoat. Fully compliant with ISO 12944 C5 standards, the system offers a service life of 15–25 years on properly prepared steel surfaces. Ideal for structural steel, tanks, and piping, it is recommended for demanding applications, including power plants, airports, industrial buildings, refineries, and mining equipment.