Roughly speaking extensive green roofs have a substrate thickness of between 4 and 15 cm and a weight of 30 to 220 kilo per m2.
													
																	Sedum roof covering. 
									
	
		
	
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																	1 xf301 sedum blanket system with integrated water retention and filter layer. 
																	When sedum vegetation is applied to a green roof the weight is approximately 30 kg m2. 
																	Is a sedum roof covering best for a diy green roof. 
															
													
									
	
		
	
																	An extensive green roof or sedum roof is a roof with vegetation that is more or less self perpetuating and that can further develop and maintain itself. 
																	How to grow yourself a living roof on your shed. 
																	3 sdf mat drainage layer for shallow pitch roofs. 
																	40mm high perforated edge drainage trim for bauder sedum blanket. 
															
													
									
	
		
	
																	Opening doors to low energy refurbishment. 
																	Sedum roof covering shortly after planting. 
																	A sedum roof covering is the lightest form of green living roof. 
																	Sedum can be used to provide a roof covering in green roofs where they are preferred to grasses. 
															
													
									
	
		
	
																	A layer of material in which the sedum can grow above the roof s waterproof membrane and plant the sedum. 
																	You simply add a substrate ie. 
																	Examples include ford s dearborn michigan truck plant which has a living roof with 454 000 square feet 42 200 m 2 of sedum.