Steel Garage Door R Value

R value is a measure of thermal efficiency.

Steel garage door r value.

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. 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. If it is attached it is best to choose a garage door with an r value of r 12 or r 16.

2 how do you use your garage. You have turned it into a workshop or home gym. It either constitutes a part of the door s construction or an additional element added to an existing door to increase its insulating value. A door that is never opened is called a wall.

Overhead door corporation uses a calculated door section r value for our insulated doors. For example the door s description may read 16 ft x 7 ft r value 6 5. Garage door insulation assumes one of two primary forms. When buying a garage door it s important to consider a few different aspects before worrying about r value.

See chart for r value comparisons. Model 5740 17 5 r value. Clopay garage door r values depend on the door s thickness material and. 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.

B18 series steel stiffeners u factor 0 50 r value 2 01. Model 5720 12 76 r value. R value of garage door insulation what is r value. If it is detached and unheated a lightly insulated or non insulated door should be enough.

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. Some improve their r values by using high density polystyrene or hd. R value is the most widely used measurement for a garage door s energy efficiency.

Polyurethane garage door insulation provides thermal efficiency 9 31 r value. What r value should i look for. Then buy a door with at least an r 16 value. The higher the r value the greater the insulating properties of the door.

If you have ever shopped for a new garage door you have probably come across an 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.