Garage Door R Value Recommendations

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

Garage door r value recommendations.

I recommend this range non insulated and detached garages where you don t spend a lot of time. When buying a garage door it s important to consider a few different aspects before worrying about r value. Higher is better when looking at garage door r values but it s not the only factor to consider. 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.

R value of garage door insulation what is r value. We have several door styles to meet your insulated door needs for both residential and. See chart for r value comparisons. The higher the r value the greater the insulating properties of the door.

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. Finally the larger the number the better the thermal insulation of the door. This number is calculated as a function of thickness of the insulator and its physical properties. I recommend this range for attached garages that are not conditioned heated or cooled depending on where.

Thus r value is used to show the energy efficiency of a product. It does not offer twice as much thermal resistance or twice the energy savings. For instance r 16 is better than r 12. R value is a measure of thermal efficiency.