R Value Wooden Garage Door

See chart for r value comparisons.

R value wooden garage door.

A 2 1 4 inch solid core wooden door for example has an r value of 3 70. We have several door styles to meet your insulated door needs for both residential and commercial applications. 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. 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.

Should you be concerned about r value in choosing your garage door. For example the door s description may read 16 ft x 7 ft r value 6 5. Overhead door corporation uses a calculated door section r value for our insulated doors. 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.

However you also need to analyze the door s cold resistance before making a purchase decision. Installation is not included. 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. If your garage is not detached then the garage is probably insulated and you ll want a garage door with an r 12 value.

That s particularly true if you have a heating system in the garage. Detached garages need a lower overall r value between 0 and r 6. The r value of a 1 3 4 inch wood door is 3 03. Actively cooled or heated garages should have a garage door with an r value of r 13 or higher to save on energy costs.

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 garage door insulation what is r value. For example clopay has few different types of 3 lyres door steel back door and the r value rated between 9 18 4 the difference between the r values is caused by the thickness of the doors 1 model is. What is a good r value for a garage door.

The r value is determined by the thickness of the door and by the materiel that the insulation is made of. With an r value of 6 3 this garage door offers strength security and quiet operation. 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. The higher the r value the greater the insulating properties of the door.

If you have ever shopped for a new garage door you have probably come across an r value. It does not offer twice as much thermal resistance or twice the energy savings. Attached but not actively heated or cooled garages should have a garage door with an r value between r 6 and r 9. If it s not insulated then an r 6 value will do.

An r value of 16 is not twice as good as an r value of 8.