Garage Door R Value Recommendations
For instance r 16 is better than r 12.
Garage door r value recommendations. For instance if your garage is not attached to the home and is insulated you ll want to look for a door with a rating higher than r 10. 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. Here is the breakdown of recommended r values.
The higher the r value the greater the insulating properties of the door. R value of garage door insulation what is r value. Thus r value is used to show the energy efficiency of a product. This number is calculated as a function of thickness of the insulator and its physical properties.
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. It does not offer twice as much thermal resistance or twice the energy savings. I recommend this range non insulated and detached garages where you don t spend a lot of time. That s particularly true if you have a heating system in the garage.
We have several door styles to meet your insulated door needs for both residential and. When buying a garage door it s important to consider a few different aspects before worrying about r value. Finally the larger the number the better the thermal insulation of the door. Overhead door corporation uses a calculated door section r value for our insulated doors.