What Is The Standard R Value For Garage Door

When determining how much insulation you need don t guesstimate calculate.

What is the standard r value for garage door.

When doing research on different types of garage doors you may have come across an r value measurement associated with. 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. Clopay uses door section r value s for our garage door insulation testing which is in accordance with the door and access manufacturers association guidelines provided in tds 163. For example the door s description may read 16 ft x 7 ft r value 6 5.

Here are the answers to some of the most. Overhead door corporation uses a calculated door section r value for our insulated doors. R value of garage door insulation what is r value. An insulated garage door can help reduce the transfer of heat or cold air into your garage and other areas of your home thus improving your home s overall energy efficiency.

Without these weatherproofing features the cold or heat will reduce the energy efficiency of the door. R value measures how well certain building insulation materials can resist heat. Clopay garage door r values depend on the door s thickness material and. For example if you have a type of insulation that has an r value of r 5 per inch of thickness you will need a depth of 6 inches of this insulation installed your attic to reach r 30 if you live in zones 2 or 3.

These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation. The thermal resistance value of a garage door doesn t mean much if the door isn t equipped with effective thermal breaks and suitable weatherstripping around and between the door sections. This adds insulation to the garage door without impeding its functionality. Should you be concerned about r value in choosing your garage door.

The other option is purchasing a pre insulated garage door that may have a higher r value. The higher the r value the greater the insulation performance. 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.

If your garage is not detached then the garage is probably insulated and you. R value is a measure of thermal efficiency. 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. R value is the most widely used measurement for a garage door s energy efficiency.

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 you have ever shopped for a new garage door you have probably come across an r value. The garage is often the largest opening to a house making it very vulnerable to weather extremes. If it s not insulated then an r 6 value will do.

It does not offer twice as much thermal resistance or twice the energy savings.