англ.green roofs

GREEN ROOFS
A green roof is a roof of a building that is partially or completely covered with vegetation planted over a waterproofing membrane.

Green roofs supplement traditional vegetation without disrupting urban infrastructure - they take a neglected space and make it useful.

TYPES OF GREEN ROOFS
Intensive Green Roofs
are designed to support much larger items like bushes and small trees as well as a wider variety of plants. You may find that they are referred to as roof gardens. They are more common in larger commercial projects .They need much more attention and maintenance – much like a normal landscaped garden.
Extensive Green Roofs
are more often used for single family and multi-family residential buildings. Plant diversity on these roofs is kept low to simplify care and to be sure all plants have similar moisture requirements. The simplest to install and are very often added to existing roofs.

All green roofs are made up of the same components:

Green roofs serve several purposes
for a building:
such as absorbing rainwater
helping to lower urban air
temperatures
creating a habitat for wildlife
providing insulation
combat the heat island effect

Residential building "Forest Spiral" in Darmstadt (Germany)

Roof terraces of a house in Shenzhen (China)

The roof garden of the university library. Warsaw