Insulated Garage Doors U Value

A guide to choosing insulated garage doors if you re struggling to lower your home s energy costs your garage may be the culprit.

Insulated garage doors u value.

These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation. The floor of your garage is probably built on a slab which means that it isn t insulated and is an ongoing source of energy transference. This is the most common measurement for insulation in garage doors. Here is a brief definition of each.

Generally these will offer the highest levels of insulation when installed fully behind a garages structural opening and will usually provide a u value of between 1 4 and 2 w m k when fitted. The effectiveness of the insulation is expressed as an r value which is a measure of thermal resistance to heat flow. An r value is a measure of how effective a material is at insulating a garage door against heat loss. These doors are usually constructed from steel with pu foam insulation.

Garage door insulation use a special foil backed blanket insulation to fit over the inside of the garage door. Classic steel model 8500 has the highest level of garage door insulation for our residential doors with an r value of 16 22. Higher r values mean that less heat passes through the door. Model 5740 17 5 r value.

The lower the number the lower the energy loss and therefore the better the thermal performance. The higher the r value the better the insulation in the door. Model 5720 12 76 r value. An r value is determined by the thickness of insulation and by its chemical properties.

Find your zone on the map and then use the above insulation r value chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces. This adds insulation to the garage door without impeding its functionality. Comparing insulated garage doors. Installed u factor a tested value of actual energy loss whether heat or cold of an installed door wall or window assembly.

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. R value a garage door s r value represents its ability to slow the transmission of heat. Most garage door insulation has an r value of between r 8 and r 12 because it is so thin to fit the space. If you are shopping for a garage door with insulation you may see a few different numbers provided that measure the effectiveness of the insulation.

Garage door insulation is of limited value anyway given the other areas of the garage that are equally problematic in terms of heat loss. Garage door r value.