Leaders of several national green roof organizations first discussed the formation of an international green building technology organization in chicago in 2003 and at subsequent green roof events in portland 2004 basel 2004 and washington 2005.
Green roof statistics uk.
Green roofs extend the life and improve the performance of the roof cutting energy costs.
It was in boston in 2006 that the first steps towards a legally chartered organization were taken.
The uk green roof market report launched at city hall london on july 26th can be downloaded here or on the image below.
There are now uk nurseries and seed companies that can supply plants for green roofs.
As importantly there are also hopeful signs that it continue to do so.
During a 10 month monitoring period asla s green roof prevented 27 500 gallons of stormwater nearly 78 percent of all precipitation hitting the roof from flowing into d c s overburdened sewer and stormwater system.
In essence the report shows that the green roof industry is in a healthy place.
Roof produced a 10 percent decrease in building energy use over the winter months.
Installed the most green roofs in north america this past year with 1 326 872 square feet.
Be sure to check out grhc s green roofs for healthier cities annual green roof industry survey for 2016 for more current green roof statistics.
The best green roofs in the long term tend to be ones that a re planted and seeded.
Small plants should be used with plug balls of around 55mm.
This is the first time a f.
Sedum roofs aren t actually that great so bold choices in plant choice and substrate depth should be encouraged.
A green roof is a great way to create an attractive design feature on an outbuilding like a shed or garage or transform your home.
Future research may reveal a list of pollution busting plants and also show how green roofs impact on other pollutants such as ozone.
Were chicago new york city toronto philadelphia and cincinnati.
This approach allows the roof to develop and adapt to the particular circumstances on any given green roof.
Green roof performance data.