Aluminium is a versatile metal known for its lightweight, strength, and resistance to corrosion, which has made it a popular choice in a wide range of industries. Aluminium is an incredibly recyclable material that can be reused indefinitely without losing its properties. In this article, we’ll discuss how to recycle aluminium extrusions step by step.


Aluminium has an impressive recyclability profile. Unlike some materials that degrade or lose their inherent properties after recycling, aluminium retains its unique qualities. Research suggests that approximately 75% of all aluminium ever produced is still in use today, signifying the metal’s durability and efficient recyclability.

Why Recycle Aluminium Extrusions?

Firstly, recycling aluminium consumes merely 5% of the energy required to produce new aluminium, causing a significant reduction in energy expenditure. Secondly, aluminium recycling curtails the demand for bauxite ore, the primary raw material, thereby diminishing the environmental degradation associated with bauxite mining.

The Recycling Process: Step by Step

  1. Collection and Sorting:

Aluminium extrusions are initially collected from an array of sources, including construction sites, scrap dealers, and recycling centres. The collected materials undergo meticulous sorting to segregate aluminium from other metals and impurities.

  1. Cleaning and Shredding:

Once sorted, the aluminium extrusions are cleansed of any coatings, paints, or other surface treatments. The cleaned extrusions are then shredded into smaller pieces, facilitating their subsequent melting.

  1. Melting:

The shredded aluminium is melted in large furnaces. Given aluminium’s lower melting point compared to other metals, this process is relatively energy-efficient. The melting process is carefully controlled to preserve the metal’s integral properties.

  1. Removal of Impurities:

During melting, impurities and contaminants within the aluminium are eliminated. This refining process ensures that the recycled aluminium meets the requisite quality standards for its intended applications.

  1. Casting

The purified, molten aluminium is cast into large ingots or billets. These forms are convenient for transportation and further processing, serving as the basis for producing new aluminium extrusions.

  1. Extrusion

Finally, the recycled aluminium billets are heated and forced through dies to create new extrusions. These extrusions under many treatments and finishes before entering the market anew, ready for incorporation into various products and structures.

The Endless Cycle:

The cycle of aluminium recycling is virtually endless. Aluminium extrusions can be recycled repeatedly without significant loss of quality or functionality. This perpetual recyclability underscores aluminium’s sustainability and it’s invaluable contribution to resource conservation and waste reduction.


In a world grappling with environmental challenges, aluminium extrusions stand out as the winners of sustainability. Their high recyclability, coupled with the energy-efficient recycling process, fortifies their position as materials of choice for green and sustainable construction and manufacturing practices. As consumers and industries continue to prioritise sustainability, the practice of recycling aluminium extrusions is not merely an option but a necessity for a sustainable future.

For more information on how to recycle aluminium extrusions, contact us today on 01772 324277 to learn more about our products and services or drop us an email to

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