Solutions Water retention roof 3 min read 0 867 Green roof system with high watre retention capacity, especially designed to maximize precipitation retention.Technical specificationsWeight120 kg/sqm or 1.2 KN/sqmLayer height120 mmVegetation formssedum, grass, flowersWater retention≥ 80 %Ecological valueMaintenance costCost factorDescriptionExtensive green roofs are built in different parts of the Earth with extreme weather variations like Nordic fever, torrential rains or long periods of drought. For such conditions, the designed green roof must be able to retain plenty of water in the substrate; helping plants to survive or in other cases prevents the overload of the drainage system. The retained humidity ensures good conditions for a great variety of vegetation (flowers, perennials, sedum, and herbage) which will increase the ecological value and also has a cooling effect on the roof.Extensive green roofs with high water retention capacity cab be built in different parts of the Earth, even for extreme temperature and climate conditions. They were designed to maximize rainfall retention.Our company provides consultancy and optimal solutions on installing green roofs, using sustainable construction materials, vegetation rolls, plants especially cultivated for these ecological roof systems. We deliver turnkey projects and long-term maintenance of intensive and extensive green roofs and terraces. In our offer the following projects are included: lightweight roofs, intensive roof gardens, parks with pavements for pedestrian and vehicle traffic, recreational facilities, landscaping, green roofs with solar panels, vertical gardens on interior or exterior walls, rooftop landscapes for office buildings and shopping malls etc.For each green roof landscaping we try to offer and to achieved the best cost/efficiency/safety and reliability balance, giving you system solutions adapted to your own green project. We are at your disposal with projects, system solutions, expert consulting and execution of these ecological solutions!