• …what you love
    most in the world.

  • Our windows
    will protect…

Strong. Stunning. Sustainable. 

Duranium™ is an eternally recyclable aluminium alloy invented by Hindalco, the world’s largest aluminium manufacturer. The alloy has been specially invented exclusively for the Eternia range. No other windows in the world have Duranium™.

Cyclone speeds can exceed 150 km/h, and leave windows and homes completely destroyed. Choose wisely. Know your WiWA© score

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Choose the
most trusted
name in the
industry

Hindalco, a 63-year-old legacy of quality and trust, backed by the Aditya Birla Group.

Hindalco is the world’s largest aluminium manufacturer. The highly experienced Hindalco engineers who create parts for aerospace missions have created the Duranium™ alloy for Eternia. That’s how you know your family is truly being protected by the best.

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Frequently asked questions

Duranium® is a world-first aluminium alloy developed by engineers at Hindalco, Eternia’s parent company. A flagship company of the Aditya Birla Group, Hindalco is the world’s largest aluminium manufacturer.

All our windows and doors from the Eternia range are made of Duranium®. It is not available in our Erigo range currently.

The cost of your window will depend on multiple factors. Our Customer Service Center will be happy to provide more details. Please reach out to them by filling out the consultation form here.

No, Duranium® is a specially-invented alloy and only Eternia offers it. No other company in the world has Duranium® windows.

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