Green roofs, also known as living roofs ... The roof must have a waterproof membrane and a proper drainage system in order to ...

This will give good drainage and stop the structure from becoming too heavy. There's a huge range of plants you can choose from that will grow on your green roof, but try to choose ones which will ...

Green roofs can retain up to 80% of rainfall, research shows. By absorbing and slowly releasing rainwater, they help thwart excessive runoff, preventing drainage systems from being overwhelmed and ...

Berliners with roof terraces can get creative with their gardening. With other forms of green roofs, the possibilities are limited. But the good news is: There is a subsidy.