Garage Door R Value Chart
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Detached garages need a lower overall r value between 0 and r 6.
Garage door r value chart. We have several door styles to meet your insulated door needs for both residential and. The value is also based on the thickness of the insulation in your door as well as the chemical. 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.
The higher the r value the greater the insulating properties of the 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. R value of garage door insulation what is r value. Without these weatherproofing features the cold or heat will reduce the energy efficiency of the door.
Actively cooled or heated garages should have a garage door with an r value of r 13 or higher to save on energy costs. If your garage is not detached then the garage is probably insulated and you. If it s not insulated then an r 6 value will do. 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.
Attached but not actively heated or cooled garages should have a garage door with an r value between r 6 and r 9. 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. What is a good r value for a garage door. See chart for r value comparisons.