Aluminum, a key material in the energy efficiency of buildings


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Decor : Aluminum, a key material in the energy efficiency of buildings

The European Union has been working, for a long time, to accelerate the pace of energy renovation of buildings and thus meet the emission reduction targets for 2030. To this end, the European Commission has opened a consultation until next March 22 to evaluate the impact of modifying the current directive.

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In this context, which will directly affect the building products market in the coming years, the AEA-Spanish Aluminum Association, which represents more than 600 companies in the sector-wants to highlight the role of the aluminum industry. A material whose presence is increasing in the construction sector and that has been shown to contribute directly to the improvement of energy efficiency in the sector.

Currently, in fact, around 47% of the energy produced worldwide is consumed by buildings and constructions. A revealing fact, reason (among others) why the EU tries to accelerate its emission reduction strategies and why the Association presents aluminum as an alternative through its multiple solutions for the industry: windows, doors, facades, elements structural, sun protection, etc.

Building enclosures are important aspects when we consider energy savings in buildings. A window, for example, will be energy efficient when it guarantees minimum performance in terms of values ​​such as solar factor, thermal transmission and air permeability. And here, some of its elements, such as the material chosen for the structure or glass, have a lot to say. In this sense, the aluminum window with thermal break is the best option in terms of energy and final comfort for the user.

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Jon de Olabarria, Secretary General of the AEA, explains that “when it comes to improving the energy efficiency of a building and, in general, its parameters of respect for the environment, we must think of collaborative work; a global contribution of all the integral elements of the new building projects. From the aluminum sector, we have made every effort and made significant progress so that our contribution is optimal, supportive and reciprocal “.

Aluminum windows fully comply with the most restrictive U-values, guaranteeing interior comfort and energy savings, while contributing with their action to achieve the global objectives of all components of a building envelope. Aluminum stands out for its durability, its insulating capacity, the low need for maintenance, its versatility and malleability, but also its hardness and resistance, which favor the safety of spaces. And not only that; Aluminum is also a totally and infinitely recyclable material without diminishing its qualities. In addition, for the recycling process it requires only 5% of the energy that was necessary to produce primary aluminum. At this point, we must remember that sectors such as construction and the automotive sector already recycle more than 90% of aluminum.

For all this, says de Olabarria, “aluminum helps to guarantee the existence of safer, more habitable, more durable, higher quality and more sustainable buildings. Aluminum facilitates the adaptation of the construction sector to the strategy of economic, energy and environmental sustainability, established in the current regulations, making it essential on the way towards the implementation of a Circular Economy model ”.


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