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.
Garage door r value recommendations.
The higher the r value the greater the insulating properties of the door.
R value is a measure of thermal efficiency.
Finally the larger the number the better the thermal insulation of the door.
I recommend this range for attached garages that are not conditioned heated or cooled depending on where.
Higher is better when looking at garage door r values but it s not the only factor to consider.
We have several door styles to meet your insulated door needs for both residential and.
This number is calculated as a function of thickness of the insulator and its physical properties.
I recommend this range non insulated and detached garages where you don t spend a lot of time.
Overhead door corporation uses a calculated door section r value for our insulated doors.
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.
R value of garage door insulation what is r value.
When buying a garage door it s important to consider a few different aspects before worrying about r value.
It does not offer twice as much thermal resistance or twice the energy savings.
For instance r 16 is better than r 12.
See chart for r value comparisons.