R values climb as thickness of the material increases.
R value of solid wood garage door.
As a final tip understand that a garage door that has an r 16 value will actually help keep your home protected from heat and humidity during the summer months.
Higher is better when looking at garage door r values but it s not the only factor to consider.
R value for solid wood doors this is a reprint of a recent article on some studies done to show that the straight r value of solid wood is misleading.
Even though it seems worse than other materials because wood has a lot of mass it actually can store energy not just prevent the ingress or egress of energy which is only what r values measure.
That helps you cut down on your cooling costs.
There are mainly 2 materials for insulating garage doors polystyrene and polyurethane.
You also add heat to the garage every time you open an interior access door from the main house to the garage.
Another thing that effecting the r value is the material of the insulation.
Below is a list of our garage doors and the r value of each one.
A 2 1 4 inch solid core wooden door for example has an r value of 3 70.