It doesn t have to be a traditional garden sprawling and having.
													
																	Green roofs kurgan. 
									
	
		
	
																	Green roofs can save you money too. 
																	Usually green roofs have vegetation and plants possibly a garden. 
																	All three types of roofs require specific layers of roofing materials not found on regular roofs. 
																	The green cover may be of herbs grass drought resistant plants flowers and even vegetables. 
															
													
									
	
		
	
																	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. 
																	Green roofs for healthy cities grhc is the north american industry association for the green roof and wall sectors. 
																	An extensive green roof can reduce sound from outside by 40 decibels while an intensive green roof can reduce sound by 46 50 decibels peck et al. 
																	Green roofs have excellent noise attenuation especially for low frequency sounds. 
															
													
									
	
		
	
																	Container gardens on roofs where plants are maintained in pots are not generally considered to be true green roofs although. 
																	The basic anatomy of a green roof consists of vegetation growing medium filter membrane drainage layer waterproof root repellant layer roofing membrane support for plantings above thermal insulation vapor control layer and structural roof support. 
																	In germany where green roof research has the longest history extensive green roofs are used as an economic alternative to other options. 
																	Most of these projects like the academy s are standard extensive. 
															
													
									
	
		
	
																	Because green roofs require professional design careful structural analysis and multiple layers and systems even extensive green roofs usually start at 8 per square foot significantly more expensive than the 1 25 per square foot for built up roofs burs source. 
																	Any eco friendly roof can be called green. 
																	Green roofs are so called because they are good for the environment. 
																	Green roofs have become natural fits for many public buildings as well thanks to large scale environmental and financial benefits such as energy efficiency storm water management sound insulation and the development of habitats for birds and other urban creatures.