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New System- Stormwater roofs! With the climate change comes heavy rainfalls and storms our urbanised cities are not equipped for. The water management systems we have in our densely populated cities are not adapted to the weather changes. The huge amount of water has nowhere to go. We can see it as floodings of streets. Urbangreen has developed a new system for stormwater management. Instead of sedum on the roofs you have a construction that among other include materials that retains water and materials that are recycled. It is a cost-effective system that can retain up to 25 litre stormwater/sq. m and is best suited on low angled roofs. This system is perfect for roofs that are being covered of solar cells or roofs that needs to be built in the winter season. For roofs with solar cells it means that no other water solutions in connection to the building needs to be constructed. Pros with our new system: - Simple construction that can be build all year around - Environmentally advantageous due to reduced transportation - The water retaining capacity is three times better than the tradition sedum roof - It protects the roof layer against UV- radiation - This system is faster to install than regular sedum mats. - Suits roofs with solar cells Cons with our system: - Does not purify the stormwater as sedum does - The effect on the biodiversity is lost in this system Read about or system (in Swedish) : https://urbangreen.se/produkt/dagvattentak/ Read the interview with our sales and product manager (in Swedish) https://urbangreen.se/sa-fungerar-vart-dagvattentak/
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A water management system that helps the problem but doesn't address the cause. I also find it difficult to see it as green. The last issue I would have is 25ltrs per square meter equates to an extra load of 3.2 stone of weight per square meter on your roof. Structural integrity would have to be worked out prior to installation. Surely rainwater harvesting and storage for leaner times would be cheaper and more beneficial to the environment and population of an area requiring it. As our climate is already very erratic .
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Hi Uwe, The issue we had at task was to delay the stormwater from flushing in to the stormwater systems. When containing this amount of water on the roof the water evaporates instead of running into the systems. As of the question of weight, this solution does not weigh more than a standard sedum roof. In the beginning of the industry of green roofs everything was a question of stormwater management – a question of green or perhaps blue. We solved the task at hand without mechanic solutions that require maintenance and service. That is for me sustainable! Best Regards, Marcus Ståhl Product and Salesmanager
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@Urbangreen Thankyou for your prompt reply, I am sure that your system has a place in the context of climate change as an adaptation technology and reto fit system. From what I could see from the photos the materials used are also recyclable which is a positive. I wish you well with your business. Regards.
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Very interesting and innovative 👏
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Great innovation with a lot of benefits.
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This is great! Can you buy it outside Sweden?
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Hello Andy! As far as we know we don´t think so. But please contact Marcus - marcus.stahl@urbangreen.se to see how we can solve it.
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🌻🇸🇪
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Wow, this is a great idea! Well done! I especially like that you are transparent about the pros and cons, super important for customers to know where this system can improve!