Insulated Metal Door R Value

Factor the more effective the insulation of the material.
Insulated metal door r value. Polyurethane garage door insulation provides thermal efficiency 9 31 r value. Ceco door a leading manufacturer of steel and hollow metal doors and frames composite and commercial doors. The insulation of the best doors is in the range of u 0 10 0 20 metric. U value is a measure of the flow of heat through an insulating or building material.
High quality storm doors use low emissivity low e glass or glazing. South facing glazed doors in cold climates should. Mulitple surface options embossed wood grain microgroove wave pattern and smooth. Similar to most other building products manufacturers the steel door institute has encouraged the practice of citing a calculated value.
A 2 1 4 inch solid core wooden door for example has an r value of 3 70. Storm door frames are usually made of aluminum steel fiberglass or wood painted or not. Glazed doors in hot or temperate climates should have a low shgc. Based on astm c518 calculation method the door has an r value of up to 11 but using astm c1363 tested operable the same door only have an r value of up to 3 5.
Model 5740 17 5 r value. Overhead door corporation uses a calculated door section r value for our insulated doors. Steel backing for clean finished interior appearance. Solar heat gain coefficient shgc a measure of how well a glazed door assembly absorbs or reflects heat from the sun.
Other features may include screens with self. B18 series steel stiffeners u factor 0 50 r value 2 01. Model 5720 12 76 r value. We have several door styles to meet your insulated door needs for both residential and commercial applications.
Metal framed storm doors might have foam insulation inside their frames. U factor r value u factor r value 707 polystyrene 0 16 6 4 0 37 2 7. All doors are tested in accordance with astm c1363 and sdi 113. For comparison with other materials a 2 inch thick metal door with a core composed of urethane foam insulation has an r.
1 u value r value. 0 56 to 1 13 w m2k which is high compared to other doors but low compared to well insulated walls and attics with many inches of foam or mineral wool or other insulation material in their assemblies. We provide energy efficient solutions with thermal break frames decorative openings with madera and sound control with sound tech xpress. In the chart above you will notice that there are two vastly different r values provided for insulated metal doors with polyurethane insulation.