I recommend this range for attached garages that are not conditioned heated or cooled depending on where.
													
																	Garage door r value recommendations. 
									
	
		
	
																	When buying a garage door it s important to consider a few different aspects before worrying about r value. 
																	The higher the r value the greater the insulating properties of the door. 
																	It does not offer twice as much thermal resistance or twice the energy savings. 
																	See chart for r value comparisons. 
															
													
									
	
		
	
																	Today s garage doors with polyurethane insulation will have an r value of 12 18 garaga s residential garage doors provide up to r 18 but you also want to choose a door that has otherwise good construction. 
																	We have several door styles to meet your insulated door needs for both residential and. 
																	R value is a measure of thermal efficiency. 
																	Higher is better when looking at garage door r values but it s not the only factor to consider. 
															
													
									
	
		
	
																	This number is calculated as a function of thickness of the insulator and its physical properties. 
																	Overhead door corporation uses a calculated door section r value for our insulated doors. 
																	R value of garage door insulation what is r value. 
																	Thus r value is used to show the energy efficiency of a product. 
															
													
									
	
		
	
																	I recommend this range non insulated and detached garages where you don t spend a lot of time. 
																	Here is the breakdown of recommended r values. 
																	A value of r 16 offers a 5 reduction in heat flow and a 5 improvement in energy efficiency over a value of r 8. 
																	That s particularly true if you have a heating system in the garage.