U value is a measure of the flow of heat through an insulating or building material.
Garage door r value difference.
Another thing that effecting the r value is the material of the insulation.
For instance r 16 is better than r 12.
We have several door styles to meet your insulated door needs for both residential and commercial applications.
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.
When buying a garage door it s important to consider a few different aspects before worrying about r value.
Thus r value is used to show the energy efficiency of a product.
The higher the r value the greater the insulating properties of the door.
There are mainly 2 materials for insulating garage doors polystyrene and polyurethane.
What is a good r value for a garage door.
Overhead door corporation uses a calculated door section r value for our insulated doors.
The lower the u value the better the insulating ability.
That s particularly true if you have a heating system in the garage.
This number is calculated as a function of thickness of the insulator and its physical properties.
Between 9 18 4 the difference between the r values is caused by the thickness of the doors 1 model is 1 3 8 and the other model is 2.
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.
Actively cooled or heated garages should have a garage door with an r value of r 13 or higher to save on energy costs.
Attached but not actively heated or cooled garages should have a garage door with an r value between r 6 and r 9.
Detached garages need a lower overall r value between 0 and r 6.