The higher the r value the greater the insulating properties of the door.
Glass garage door r value.
Then buy a door with at least an r 16 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.
Insulated rails and stiles are available as an option.
Foamed in place polyurethane insulation fills the rails and stiles providing enhanced thermal efficiency that adds r value of up to 4 36 on the door.
If it is attached it is best to choose a garage door with an r value of r 12 or r 16.
If it is detached and unheated a lightly insulated or non insulated door should be enough.
You have turned it into a workshop or home gym.
2 how do you use your garage.
See chart for r value comparisons.
Overhead door corporation uses a calculated door section r value for our insulated doors.
R value is a measure of thermal efficiency.
They are the perfect enhancement to your home s indoor and outdoor living spaces while adding curb appeal and appreciation to the homes 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.