Vitor+MG: Next-Generation Magnesium-Enriched Steel Coating for Extreme New Zealand Environments

Vitor+MG is a high-performance steel coating system designed to withstand New Zealand’s harsh environmental conditions, especially in coastal areas. It features an advanced aluminium-zinc-magnesium alloy coating that provides superior corrosion resistance compared to traditional coatings. Vitor+MG is suitable for use in environments up to Corrosion Category D, including:
• West & South coasts: ≥ 100 m from the shoreline
• East coast: ≥ 50 m from the shoreline
• Harbours & estuaries: from the shoreline


Engineered for durability,Vitor+MG combines excellent formability with long-lasting performance. It retains its appearance and structural integrity even in harsh environmental  conditions. In milder environments, it is also eligible for extended warranties—offering peace of mind and flexibility for a wide range of roofing and cladding applications.

With its superior corrosion protection, strength, and visual appeal, Vitor+MG delivers reliable, uncompromising performance, whether installed within Category D coastal zones or further inland.