![man and woman in front of skyscraper pointing at the sky](/sites/default/files/public/styles/page_header_medium/public/2026-03/Reynaers_aluminium_shoot_March_2025-175.jpg?h=f0ab467d&itok=ipUDU5s9)  



 

 # Many dimensions

There are many dimensions to sustainability – and they all contribute to more futureproof buildings. Navigate the topics below to discover how we explore sustainability more concretely at our company, in the products and services we create, and the buildings we help complete.



 

  The full story?

 

 

Sustainability in the building sector is a fast-paced topic, one that is ever-evolving, multi-layered and complex. For many dimensions, the construction sector is still at an early stage, exploring the different questions. And not all questions have ready answers. Besides this selection of dimensions, we keep a close eye on ongoing evolutions and anticipate trends with an open mindset.
 
 Keep a close eye on our website for future updates and new dimensions.

 

 

 

 

     ![shadow of insulated aluminium profile black and white](/sites/default/files/public/styles/image_max_width/public/2026-03/RA_shoot_23_april_2025-87.jpg?itok=9uvRQ2TS)  

 

 

 ##  Circular and sustainable value chain 

Integrated sourcing and active partnerships help us develop a truly circular and sustainable aluminium value chain.



 [ Discover more ](/node/21918 "Discover more") 

 

  ##  Empowering Transparency & Traceability 

We support you with reliable tools and credible insights that help you integrate sustainability at every step of the way.



 [ Discover more ](/node/22789 "Discover more") 

     ![Man looking at aluminium corner sample of windows outside.](/sites/default/files/public/styles/image_max_width/public/2026-08/Reynaers_aluminium_shoot_March_2025-86.jpg?itok=hw6I6vyq)  

 

 

 

  

 

      ![A kitchen with large sliding doors](/sites/default/files/public/styles/image_max_width/public/2026-07/IMG_5782.jpg?itok=d5w_A8ri)  

 

 

 ##  Design & Value Engineering 

By considering sustainability at the design stage, we ensure lasting, future-ready solutions. We call this "value engineering".



 [ Discover more ](/node/22800 "Discover more") 

 

  

 

 ##  Frequently Asked Questions 

  ### Are Reynaers Aluminium windows and doors sustainable?

 Sustainability in the building sector should be considered from many different angles, both on building and product level. Our joinery systems are made of **one of the most circular materials available, aluminium**. It can be recycled an infinite amount of times, without loss of quality. Moreover, as a standard, we provide **low carbon building elements**, such as low-carbon aluminium profiles and thermal breaks. Reynaers Aluminium is **ASI Standard certified**, meaning that the aluminium we use in our systems is ethically sourced, with respect for people and our planet. And we participate in **local closed-loop systems** to limit waste and support end-to-end traceability.

Next to responsible sourcing tactics, we apply **Eco Design principles** that help minimise the impact of our systems even further. Increasing the lifespan of our solutions and buildings starts at the drawing board by designing out waste, designing in modularity, designing for adaptability and flexibility, designing with disassembly in mind, ... Nothing is left to chance.

Most of our systems come in multiple insulation levels, down to Passive House thermal performance. By focusing on **energy efficiency** and **weather performance**, tested and verified in our expansive Technology Centre, we help limit the operational carbon emissions of buildings drastically.

Finally, by providing clear and official documentation, we can help professionals earn **green building certificates** and navigate **sustainable legislation** more easily. We are your expert guide that provide the right tools and solutions for your building needs.



  

 

 

 

  ### What is an EPD?

 An Environmental Product Declaration (EPD) is a third-party verified, internationally recognized disclosure of a product's environmental impact throughout its lifecycle. EPDs are voluntarily developed and their overall goal is to **provide relevant, verified and clear information** regarding the environmental performance of products. The basis of the EPD is a Life Cycle Assessment (LCA) of the product, in accordance to ISO 14025 and EN 15804+A2.



  

 

 

 

  ### How does DigiTrace help create more sustainable buildings?

 DigiTrace can help extend the lifetime of buildings by offering **clear information** that helps you **maintain, repair, recycle or reuse** building elements in a truly circular way. Important **sustainability documentation** is included, such as EPDs, maintenance guidelines and material composition details.



  

 

 

 

 

  

 

 ## Sustainability starts with asking the right questions.

 [ Visit our FAQ  ](/node/22819 "Visit our FAQ")  

 

  ##  Discover more angles