R Value Wooden Garage Door

If you have ever shopped for a new garage door you have probably come across an r value.

R value wooden garage door.

Detached garages need a lower overall r value between 0 and r 6. 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. For example the door s description may read 16 ft x 7 ft r value 6 5. A value of r 16 offers a 5 reduction in heat flow and a 5 improvement in energy efficiency over an r value of 8.

However you also need to analyze the door s cold resistance before making a purchase decision. With an r value of 6 3 this garage door offers strength security and quiet operation. R values climb as thickness of the material increases. That s particularly true if you have a heating system in the garage.

The r value is determined by the thickness of the door and by the materiel that the insulation is made of. The higher the r value the greater the insulating properties of the door. See chart for r value comparisons. The price includes the door and components only.

Actively cooled or heated garages should have a garage door with an r value of r 13 or higher to save on energy costs. 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. R value is a measure of thermal efficiency. If your garage is not detached then the garage is probably insulated and you ll want a garage door with an r 12 value.

Should you be concerned about r value in choosing your garage door. We have several door styles to meet your insulated door needs for both residential and commercial applications. R value of garage door insulation what is r value. Overhead door corporation uses a calculated door section r value for our insulated doors.

What is a good r value for a garage door. Shoppers may get the impression that this number is important and it is but most are unsure about what it is or why they should even pay attention to it when choosing a garage door. A 2 1 4 inch solid core wooden door for example has an r value of 3 70. An r value of 16 is not twice as good as an r value of 8.

The r value of a 1 3 4 inch wood door is 3 03. It does not offer twice as much thermal resistance or twice the energy savings. Installation is not included. 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.

If it s not insulated then an r 6 value will do.