Danish Urban Water Retention (UWR) developed an innovative modular system, assembled like Legos, to manage stormwater and prevent flooding in urban settings. The material used in the modules is a customized recycled PP from Polykemi and Rondo Plast, developed to meet tough specifications and enhance the product's sustainability profile. The system won an award in its category at the 2025 Aquatech Innovation Awards in Amsterdam. Polykemi Group developed a recycled PP material