Insulated Garage Door U Value

Overhead door corporation uses a calculated door section r value for our insulated doors.

Insulated garage door u value. For example a building with material with an r value of r 11 converts to an u value of 0 09 1 r or 1 11 0 09. 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. The higher the r value the better the insulation in the door. Reference table for u values u value is the coefficient of transmission i e the transmission of heat through the materials which compose the building s envelope or outer shell.

Here is a brief definition of each. U value is a measure of the flow of heat through an insulating or building material. U value has an inverse relationship to r value. 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. Comparing insulated garage doors. Model 5740 17 5 r value. This adds insulation to the garage door without impeding its functionality.

R value a garage door s r value represents its ability to slow the transmission of heat. 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. For more information on insulated garage doors and u values why not drop into our showroom or contact a member of our dedicated sales team. 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.

Model 5720 12 76 r value. Polyurethane garage door insulation provides thermal efficiency 9 31 r value. 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. The effectiveness of the insulation is expressed as an r value which is a measure of thermal resistance to heat flow.

Abi garage doors specialise in the suppy installation and repair of garage doors entrance doors and remote controls covering the entire yorkshire region including leeds bradford wakefield york and. 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. The other option is purchasing a pre insulated garage door that may have a higher r value.

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. These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation.