Why CO₂ emissions in construction are under scrutiny
The construction sector is globally responsible for a significant portion of total CO₂ emissions. From raw material extraction to production, transport, and maintenance: every phase in the life cycle of building materials contributes to the overall environmental impact.
Governments, clients, and investors are therefore imposing increasingly strict requirements. Sustainability is no longer a ‘nice-to-have’ but a mandatory condition in tenders and projects. Yet, practical implementation remains challenging. Many traditional materials, such as concrete and steel, are deeply embedded in existing processes and supply chains.
This creates a tension: how do you combine proven performance with the urgent need to drastically improve sustainability? The answer lies not just in optimization, but in a fundamental shift in material usage.
The hidden impact of material choices
When thinking about CO₂ reduction, the focus is often on energy consumption during the operational phase. However, in many construction projects, a large part of the emissions is actually generated during the production phase of the materials.
This is known as ‘embodied carbon’: the total emissions released during the extraction, production, and transport of materials. This is precisely where enormous gains can be made.
Materials with a long service life and low maintenance requirements score significantly better in this regard. They need to be replaced less frequently, resulting in fewer transport and production cycles throughout their life cycle.
This turns the choice of the right material into a strategic decision rather than a purely technical one.
How circular materials drastically lower CO₂
Circular materials break the traditional pattern of ‘produce and discard.’ Instead, resources remain in circulation, reducing the need for new (and often CO₂-intensive) production.
This offers several advantages:
- Reduced extraction of primary raw materials
- Lower energy consumption in production processes
- Less waste incineration or landfilling
- Reduction in transport movements
For thermoset composites, this is especially relevant. Where these materials were previously finite in their life cycle, new technologies make it possible to redeploy them without loss of quality.
This means the same raw material can pass through multiple life cycles – resulting in a cumulative reduction in CO₂ emissions.
Read more about this on the page regarding circular innovation and material reuse.
Long service life = lower impact
One of the most underestimated factors in sustainability is longevity. The longer a material lasts, the less often it needs to be replaced—and the lower the total impact.
Materials with a service life of 50 to 100 years offer a significant advantage over alternatives that degrade faster or require frequent maintenance.
In addition, properties such as low-maintenance behavior and resistance to external influences play a major role. Consider:
- No corrosion or rot
- Resistance to moisture and chemicals
- No degradation by organisms
- Minimal thermal expansion
These properties ensure that performance is maintained without additional interventions, reducing both costs and CO₂ emissions.
On the Compressite® product page, you can find more details about these properties.
From pilot project to industrial standard
Many sustainable solutions get stuck in pilots or niche applications. They work, but they never reach the scale necessary to make a real impact.
The key to success lies in scalability. Technology must not only be sustainable but also:
- Industrially applicable
- Economically viable
- Integratable into existing supply chains
This is the strength of initiatives focused on a European scale. Through collaboration between industry, technology, and policy, an ecosystem emerges where circular materials can become the norm.
KoiosTitan is an example of a party taking this step: from innovation to large-scale application.
The future: steering by total life cycle
The construction sector is moving toward a model where the focus is not just on initial costs, but on the full life cycle. This means decisions are made based on:
- Total CO₂ impact
- Total Cost of Ownership (TCO)
- Material reusability
- Environmental impact after use
This requires a different way of thinking – and above all: different choices.
Organizations that act on this now will lead the way. Not just because they comply with regulations, but because they operate more efficiently, sustainably, and future-proof.
To understand what this transition looks like in practice, view the page regarding our long-term vision and development strategy.
