Green roofs can help reduce energy costs for a building by acting as another layer of insulation between the inside and outside of the roof.
													
																	Green roof structure. 
									
	
		
	
																	Shallow pitched green roof 5 25. 
																	This is most noticeable in intensive green roofs since there is a thicker and more consistent layer of soil which provides a higher insulating value. 
																	The following is a summary of the basic green roof system components. 
																	Flat green roof 0 5 flat roofs are ideal as green roof. 
															
													
									
	
		
	
																	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. 
																	Basic green roof components include the base roof deck water proofing layer and green roof systems. 
																	A green roof is a green space that is created by adding various layers of plants and a growing medium to the top portion of a traditional roofing system. 
																	The system structure for a flat water retaining green roof consists of a drainage layer with filterfleece extensive roof garden substrate and a vegetation blanket. 
															
													
									
	
		
	
																	It may also include additional layers such as a root barrier and drainage and irrigation systems. 
																	They may be flat or sloped. 
																	They also deliver a whole range of benefits. 
																	Green roofing and construction.