Garage Door R Value Recommendations

Overhead door corporation uses a calculated door section r value for our insulated doors.

Garage door r value recommendations.

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. 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. When buying a garage door it s important to consider a few different aspects before worrying about r value. 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.

It does not offer twice as much thermal resistance or twice the energy savings. The higher the r value the greater the insulating properties of the door. R value is a measure of thermal efficiency. See chart for r value comparisons.

This number is calculated as a function of thickness of the insulator and its physical properties. Here is the breakdown of recommended r values. I recommend this range non insulated and detached garages where you don t spend a lot of time. Thus r value is used to show the energy efficiency of a product.

Higher is better when looking at garage door r values but it s not the only factor to consider. R value of garage door insulation what is r value. Finally the larger the number the better the thermal insulation of the door. We have several door styles to meet your insulated door needs for both residential and.