R Value Wood Garage Door

The higher the r value the greater the insulation performance.

R value wood garage door.

The r value of a 1 3 4 inch wood door is 3 03. 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. 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. An r value of 16 is not twice as good as an r value of 8.

The higher the r value the greater the insulating properties of the door. There are mainly 2 materials for insulating garage doors polystyrene and polyurethane. R value measures how well certain building insulation materials can resist heat. Actively cooled or heated garages should have a garage door with an r value of r 13 or higher to save on energy costs.

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. R value is a measure of thermal efficiency. When it comes to r values for garage doors the higher the better.

1 3 8 and the other model is 2. What r value should you look for in a new garage door. Know exactly how much you need with our project calculators. In general a higher r value means better insulation but there s more to it than that.

R value of garage door insulation what is r value. A higher r value means a slower transmission of heat which means less cold air leaking into your garage in the winter and less heat invading your garage in the summer. R values climb as thickness of the material increases. Another thing that effecting the r value is the material of the insulation.

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. See chart for r value comparisons. Overhead door corporation uses a calculated door section r value for our insulated doors. 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.

Higher is better when looking at garage door r values but it s not the only factor to consider. We have several door styles to meet your insulated door needs for both residential and commercial applications. However you also need to analyze the door s cold resistance before making a purchase decision. A garage door s r value represents its ability to slow the transmission of heat.

A 2 1 4 inch solid core wooden door for example has an r value of 3 70. When determining how much insulation you need don t guesstimate calculate. It does not offer twice as much thermal resistance or twice the energy savings.