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.

The value is also based on the thickness of the insulation in your door as well as the chemical. Without these weatherproofing features the cold or heat will reduce the energy efficiency of the door. Overhead door corporation uses a calculated door section r value for our insulated doors. R value of garage door insulation what is r value.

R value is often used as a way to show if a door is energy efficient. The thermal resistance value of a garage door doesn t mean much if the door isn t equipped with effective thermal breaks and suitable weatherstripping around and between the door sections. R value is a measure of thermal efficiency. We have several door styles to meet your insulated door needs for both residential and.

That s particularly true if you have a heating system in the garage. See chart for r value comparisons. What is a good r value for a garage door. 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. 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. If your garage is not detached then the garage is probably insulated and you. Detached garages need a lower overall r value between 0 and r 6.