Garage Door R Value Chart

The r value of a residential entry door or garage door is a way to note the thermal efficiency of a door a fancy way of saying how well the door insulates its enclosure.

Garage door r value chart.

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. Actively cooled or heated garages should have a garage door with an r value of r 13 or higher to save on energy costs. Without these weatherproofing features the cold or heat will reduce the energy efficiency of the door. If it s not insulated then an r 6 value will do.

R value of garage door insulation what is r value. 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 is a measure of thermal efficiency. We have several door styles to meet your insulated door needs for both residential and.

What is a good r value for a garage door. That s particularly true if you have a heating system in the garage. If your garage is not detached then the garage is probably insulated and you. Overhead door corporation uses a calculated door section r value for our insulated doors.

Detached garages need a lower overall r value between 0 and r 6. R value is often used as a way to show if a door is energy efficient. The higher the r value the greater the insulating properties of the door. The value is also based on the thickness of the insulation in your door as well as the chemical.