Green Roof Background

The most famous green roofs were the hanging gardens of babylon.

Green roof background.

Download this premium photo about green roof with blue sky background and discover more than 4 million professional stock photos on freepik. They were built over arched stone beams and waterproofed with layers of reeds and thick tar. Monitoring of five green roofs by the apdesign green roof research team started with development of the first roof in 2009. Other benefits include habitat restoration filtration of acid rain and air.

Today ecological benefits such as reduced energy consumption for heating and cooling stormwater retention and heat island mitigation are the main reasons for the growing popularity of green roofs. A green roof or living roof is a roof of a building that is partially or completely covered with vegetation and a growing medium planted over a waterproofing membrane it may also include additional layers such as a root barrier and drainage and irrigation systems. Because green roofs protect the roof membrane from harsh weather and ultraviolet uv radiation they can last twice as long traditional roofs. Green roofs also have a fairly stable surface temperature remaining at air temperature or cooler while traditional rooftops can soar up to 90º f 32º c above air temperature source.

They were considered as one of the seven wonders of the ancient world were constructed around 500 b c. Plants and trees were then. As extensive green roofs became subjects in scientific research additional benefits began to gain importance.