Residential
ZACS® STEEL -
OVER 100 YEARS FROM AUSTRALIA
INOK® Technology – A Breakthrough in superior corrosion resistance for Long-Lasting, Beautiful Roofs
INOK® Technology (short for INfinitely Outreaching Know-how) is a pioneering innovation developed, patented, and exclusively owned by BlueScope Australia. This advanced technology is fully applied across all Zacs® products in Vietnam. Featuring a unique 4-matrix phases coating system, INOK® provides superior corrosion resistance—especially at the most vulnerable points such as screw holes, cut edges, and surface scratches. Built to withstand even the toughest weather conditions, INOK® Technology protects your roof from rust and deterioration, helping it stay strong and beautiful for decades to come.
Why choose INOK® technology
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A unique 4 matrix phases alloy-coated technology
Superior corrosion resistance
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Longer warranty periods of up to 25 year*
(*) Warranty terms & conditions apply
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Superior corrosion resistance
at screw holes, cut edges, and surface scratches
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Lab & real-world tested
+5000 steel sheets
BlueScope Zacs® Product
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SUPER DURABILITY BEAUTY
10,000+ Homeowners choose us every year
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Sarah Tan
Jakarta
"Switching to NS BlueScope steel roofing was the best decision for our home. It’s durable, low-maintenance, and looks stunning. During the rainy season, we noticed how quiet and insulated our house became—it’s a game-changer. Plus, the lifetime warranty gives us peace of mind for years to come."
