Green roofs like the one at Forest Lodge Eco House in Sydney are changing our city landscapes.
Green roofs are emerging as a popular sustainable building solution as more architects around the world look towards utilising more environmentally sustainable building practices.
A green roof or a living roof is a building with a layer of vegetation that partially or completely covers the rooftop. They are usually grown over a waterproof membrane. Striking in appearance, green roofs can range from a simple lawn to more elaborate 'forest' like plantings.
There are two types of green roof: extensive or intensive. Extensive green roofs have a thin grown medium that is up to 200mm deep with ground cover vegetation, while intensive green roofs have soil over 200m deep supporting vegetation up to the size of trees.
[urbanRelatedPost][/urbanRelatedPost]Not only are green roofs aesthetically pleasing, but they are also provide many environmental benefits:* energy conservation and improved thermal performance;
* improvement of air quality;
* noise and sound insulation;
* more green space;
* lowering urban air temperatures and mitigating the heat island effect;
* the creation of wildlife habitat; and
* stormwater management.
Here are are some examples of green or living roofs from around the world: