In 2012 a british led project by the imperial college of london called the blue green dream bgd an initiative part of the wider european union climate knowledge and innovation community kic began an ambitious project to introduce blue and green roofs across london and the european continent.
Sustainable blue roofs in europe.
Alternatively tanks may be located on an open upper floor below ground level as seen in the picture above.
They are most applicable and provide the most benefit in highly urbanized cities that are serviced by combined sewers.
While green roof technology has been one of the main focus areas in the realm of low impact development for more than a decade blue roofs are increasingly being recognized as a viable and cost effective alternative for rooftop stormwater management.
Challenges with combined sewer systems.
Blue roof designs are 100 sustainable and eco friendly.
Blue roofs blue roofs are designed to capture rainwater and slowly release it over a period of 24 hours.
Europe s largest roofing and waterproofing company bmi group offers various active blue and green roofs that can utilise the top of a building for rainwater storage or terrace.
For flat roofed projects the integration of a blue roof can form a key part the sustainable drainage strategy.
A blue roof temporarily stores rainwater in any of a number of types of detention systems on the roof.
However an even newer and less well known sustainable technology applicable to roofs is the blue roof.
A bauderblue roof is designed specifically for each individual project.
Generally the roof itself should be flat or if it slopes the slope should be very slight no more than 2.
Blue roof system brochure benefits of a blue roof.