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Bluescope Steel’s next generation Zincalume steel has reduced environmental impact.

Zincalume by Bluescope Steel

Bluescope Steel’s next generation Zincalume steel, to be officially launched in August, has a considerably reduced environmental impact compared with current Zincalume steel.

An independent Life Cycle Assessment (LCA) of the product demonstrates reductions of between 17% and 20% across the impact categories where steel’s contribution is most significant.

The LCA study examined cradle-to-grave environmental impacts of next generation Zincalume steel compared with current Zincalume steel, when used in a commercial and industrial roofing application, and concluded the reduction in environmental impacts is driven by the reduction of the metals used to coat next generation Zincalume steel, combined with its longer lifespan.

It found that reduction of the amount of metal resources used in the new aluminium-zinc-magnesium coating contributes to the reduction of its footprint when compared with the traditional coating.

The longer life of next generation Zincalume steel is due to its patented Activate technology, which enables magnesium to “activate” aluminium regions of the coating, resulting in a more corrosion-resistant and therefore more durable product in a wider range of environments.

Bluescope Steel’s sustainability manager, Richard Rowe, said a building constructed using next generation Zincalume steel should require less maintenance compared with the current coating technology and that Zincalume steel elements can be recycled when eventually replaced.