R Value Of Solid Wood Garage Door

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.

R value of solid wood garage door.

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. 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. Higher is better when looking at garage door r values but it s not the only factor to consider.

A 2 1 4 inch solid core wooden door for example has an r value of 3 70. 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. 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.

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.