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.
R value of solid wood garage door.
A 2 1 4 inch solid core wooden door for example has an r value of 3 70.
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.
The r value of a 1 3 4 inch wood door is 3 03.
There are mainly 2 materials for insulating garage doors polystyrene and polyurethane.
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.
R values climb as thickness of the material increases.
That helps you cut down on your cooling costs.
Below is a list of our garage doors and the r value of each one.
Another thing that effecting the r value is the material of the insulation.