September 10, 2026

CirkHout: waste wood as the foundation for circular timber construction

CirkHout: waste wood as the foundation for circular timber construction

What if waste wood was not the end of a material cycle, but the beginning of a new building system? With CirkHout, Urban Climate Architects is working with TNO and project partners to explore how reclaimed timber can be transformed into circular C-CLT panels for construction.

This research shows how circular construction in the Netherlands, urban mining and biobased building can work together to create a construction culture in which materials retain their value for longer. Instead of demolishing, discarding and starting again, we can harvest, test, design and reuse.

As a mass timber architect, Urban Climate Architects develops buildings with a lower material impact and greater long-term value. Circular C-CLT makes one thing clear: timber construction is not only about using new wood. It is also about using existing resources more intelligently.

For clients exploring CLT construction in the Netherlands, CirkHout offers valuable insight into the next generation of timber building systems. Read more about our approach as a CLT architect in the Netherlands and discover how mass timber can support lighter, more sustainable and more adaptable buildings.

In the discussion around timber construction vs concrete, material reuse is becoming increasingly important. By turning waste wood into high-value construction components, circular timber construction offers a strong alternative to linear material flows. Within a sustainable architectural tender, this approach can help turn ambitions for CO₂ reduction, Paris Proof building and material reuse into practical design strategies.

Read more about the CirkHout project or contact Urban Climate Architects to discuss how circular timber construction could strengthen your project.

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