Insulated Metal Door R Value

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

Insulated metal door r value.

U factor r value u factor r value 707 polystyrene 0 16 6 4 0 37 2 7. Mulitple surface options embossed wood grain microgroove wave pattern and smooth. A 2 1 4 inch solid core wooden door for example has an r value of 3 70. We provide energy efficient solutions with thermal break frames decorative openings with madera and sound control with sound tech xpress.

Glazed doors in hot or temperate climates should have a low shgc. Factor the more effective the insulation of the material. Ceco door a leading manufacturer of steel and hollow metal doors and frames composite and commercial doors. Steel backing for clean finished interior appearance.

Other features may include screens with self. 1 u value r value. The lower the coefficient the better the glazed door is at blocking the sun s heat. 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.

Similar to most other building products manufacturers the steel door institute has encouraged the practice of citing a calculated value. In the chart above you will notice that there are two vastly different r values provided for insulated metal doors with polyurethane insulation. 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.

The lower the u value the better the insulating ability. Model 5720 12 76 r value. Model 5740 17 5 r value. 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. 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. Storm door frames are usually made of aluminum steel fiberglass or wood painted or not. For comparison with other materials a 2 inch thick metal door with a core composed of urethane foam insulation has an r.

Polyurethane garage door insulation provides thermal efficiency 9 31 r value. The insulation of the best doors is in the range of u 0 10 0 20 metric. All doors are tested in accordance with astm c1363 and sdi 113. Solar heat gain coefficient shgc a measure of how well a glazed door assembly absorbs or reflects heat from the sun.