Overhead Garage Door R Value

Without these weatherproofing features the cold or heat will reduce the energy efficiency of the door.

Overhead garage door r value.

While overhead door advertises their model 494 495 thermacore door has an r value of 17 5 a claim like competitors claims is presumably based on a center of panel measurement installed door test reports show a u factor of 0 16 equivalent to r 6 25. Garage door r value. Polyurethane garage door insulation provides thermal efficiency 9 31 r value. U value is a measure of the flow of heat through an insulating or building material.

Here are the answers to some of the most. 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. Many models of garage doors now offer different levels of insulation which are rated by r values. The effectiveness of the insulation is expressed as an r value which is a measure of thermal resistance to heat flow.

Model 5740 17 5 r value. 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. Overhead door corporation uses a calculated door section r value for our insulated doors. R values specifically measure the insulation s ability to resist heat flow.

Garage doors with high r values. We have several door styles to meet your insulated door needs for both residential and commercial applications. 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. For converted spaces like home gyms or office consider a garage door with at least an r value of 16.

Model 5720 12 76 r value. The use of r values in promotional material for overhead garage door manufacturers has been accepted primarily because it is easier to understand for the consumer. Classic steel model 8500 has the highest level of garage door insulation for our residential doors with an r value of 16 22. If you are interested in insulating a garage door yourself this video will walk you through everything you need to know.

However it is questionable whether a calculated r value is the appropriate measure of a garage door s. The lower the u value the better the insulating ability. The higher the r value the better the insulation in the door. For example the door s description may read 16 ft x 7 ft r value 6 5.

See chart for r value comparisons. Basically the higher the r value number the better the thermal performance. The higher the r value the better the insulation.