Steel Garage Door R Value

When buying a garage door it s important to consider a few different aspects before worrying about r value.

Steel garage door r value.

Overhead door corporation uses a calculated door section r value for our insulated doors. A door that is never opened is called a wall. The higher the r value the greater the insulating properties of the door. R value is the most widely used measurement for a garage door s energy efficiency.

What r value should i look for. A well insulated door can really be nice when the garage is used as a workshop but there are other advantages of an insulated garage door. Most insulated steel and wood garage doors are insulated with polystyrene styrafoam layers. R value of garage door insulation what is r value.

You have turned it into a workshop or home gym. Polyurethane garage door insulation provides thermal efficiency 9 31 r value. 2 how do you use your garage. If it is detached and unheated a lightly insulated or non insulated door should be enough.

Standard insulated garage doors offer an r value ranging from 5 to 10 or 11. See chart for r value comparisons. It either constitutes a part of the door s construction or an additional element added to an existing door to increase its insulating value. For example the door s description may read 16 ft x 7 ft r value 6 5.

R value is a measure of thermal efficiency. 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. Model 5740 17 5 r value. Here are the answers to some of the most.

If it is attached it is best to choose a garage door with an r value of r 12 or r 16. Clopay garage door r values depend on the door s thickness material and. Thermacore construction provides a continuous layer of foamed in place cfc free polyurethane garage door insulation sandwiched between two layers of corrosion resistant steel for maximum thermal efficiency. Model 5720 12 76 r value.

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. Then buy a door with at least an r 16 value. If you have ever shopped for a new garage door you have probably come across an 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.

All doors are tested in accordance with astm c1363 and sdi 113. Some improve their r values by using high density polystyrene or hd.