The increase achieved by injecting aminoplast foam insulation is up to 264 greater than is possible with normal weight concrete.
													
																	R value of a concrete block wall. 
									
	
		
	
																	A wall s thermal resistance or its r value is its ability to slow the transfer of heat from one side to the other. 
																	R values of uninsulated concrete. 
																	Therefore the doe s value is on the high end of the r value of a log wall. 
																	The r values u factors listed in this tek were determined by calculation using the code recognized series parallel also called isothermal planes calculation method refs. 
															
													
									
	
		
	
																	Concrete block makes a cost effective and structurally sound wall but it has. 
																	Box 513 metuchen new jersey 08840 0513. 
																	Energy and the environment. 
																	The schundler company 150 whitman avenue p o. 
															
													
									
	
		
	
																	Cavity wall r values are listed in tek 6 1c r values of multi wythe concrete masonry walls ref. 
																	For instance if you have a material with an r value of 12 attached to another material with an r value of 3 then both materials combined have an r value of 15. 
																	Concrete homes magazine web search 5 18 2010 r value for concrete glass other materials wikipedia web search 5 18 2010 citing ristinen robert a and jack j. 
																	As we said before the r value measures the thermal resistance of a material. 
															
													
									
	
		
	
																	Block and cavity fill.