The r value is determined by the thickness of the door and by the materiel that the insulation is made of.
R value of aluminum garage door.
Clopay garage door r values depend on the door s thickness material and type of insulation and range from 6 3 to 20 4.
Below is a list of our garage doors and the r value of each one.
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 1 3 8 and the other model is 2.
For example the door s description may read 16 ft x 7 ft r value 6 5.
Actively cooled or heated garages should have a garage door with an r value of r 13 or higher to save on energy costs.
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 in your attic to reach r 30 if you live in zones 2 or 3.
The garage is often the largest opening to a house making it very vulnerable to weather extremes.
If it is attached it is best to choose a garage door with an r value of r 12 or r 16.
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.
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 is detached and unheated a lightly insulated or non insulated door should be enough.
Garage door r value.
If you have ever shopped for a new garage door you have probably come across an 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.
Classic steel model 8500 has the highest level of garage door insulation for our residential doors with an r value of 16 22.
These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation.
The other option is purchasing a pre insulated garage door that may have a higher r value.
When doing research on different types of garage doors you may have come across an r value measurement associated with.
The effectiveness of the insulation is expressed as an r value which is a measure of thermal resistance to heat flow.
Here are the answers to some of the most.
Then buy a door with at least an r 16 value.
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.
You have turned it into a workshop or home gym.
This adds insulation to the garage door without impeding its functionality.
In general a higher r value means better insulation but there s more to it than that.