Good Garage Door R Value

Most garage door insulation has an r value of between r 8 and r 12 because it is so thin to fit the space.
Good garage door r value. 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. 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. See chart for r value comparisons.
The higher the r value the greater the insulation performance. If it s not insulated then an r 6 value will do. Attached but not actively heated or cooled garages should have a garage door with an r value between r 6 and r 9. What r value should you look for in a new garage door.
This adds insulation to the garage door without impeding its functionality. Actively cooled or heated garages should have a garage door with an r value of r 13 or higher to save on energy costs. There are mainly 2 materials for insulating garage doors polystyrene and polyurethane. However you also need to analyze the door s cold resistance before making a purchase decision.
When determining how much insulation you need don t guesstimate calculate. 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 garage door insulation what is r value. 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. Another thing that effecting the r value is the material of the insulation. Overhead door corporation uses a calculated door section r value for our insulated doors. If your garage is not detached then the garage is probably insulated and you ll want a garage door with an r 12 value.
Know exactly how much you need with our project calculators. What is a good r value for a garage door. We have several door styles to meet your insulated door needs for both residential and. R value measures how well certain building insulation materials can resist heat.
Higher is better when looking at garage door r values but it s not the only factor to consider.