Rainwater is a resource, not waste.

Polder Roofs have an increased capacity of water storage, retention and drainage. Therefore the Polder Roof is the ideal foundation for green roofs, roof gardens and green roof parks.
Due to the excessive amount of paved surfaces in cities, high pressure on the sewage system is inevitable during heavy rainfall. Additionally, climate-change will ensure more rainfall and will cause this pressure to increase. The Polder roof offers a solution to this problem by functioning as dynamic water storage. In this way, a large part of the paved city can be transformed into a green, water absorbent solutions to flooding. In order to create a rainproof city, there will need to be invested in the public space (garden to rooftop). Rainwater can be collected and reused.

SDG’s: Sustainable cities and communities, Good health and well-being
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