Holcim showcases Berlin Charlie Living project using Zinco retention roof to support sponge city design

• Holcim highlighted a Berlin “sponge city” residential project using a Zinco retention green roof to cut urban flood risk.
• The Charlie Living complex includes 289 apartments and seven townhouses near Checkpoint Charlie.
• The roofing system, backed by Environmental Product Declarations, supported LEED Gold certification for the development.

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