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2. Garage door - Wikipedia

   en.wikipedia.org/wiki/Garage_door

   In the UK (and other parts of the EU), 'insulated' roller garage doors are available, using an aluminum lathe filled with polyurethane foam for thermal and acoustic insulation. Concerning thermal insulation, the roller door has a typical insulation R-value of 4.9 to 5.2. A sheet steel garage door has a typical insulation R-value of 0.5 to 2.7.

3. Garage door opener - Wikipedia

   en.wikipedia.org/wiki/Garage_door_opener

   The electric overhead garage door opener was invented by C.G. Johnson in 1926 in Hartford City, Indiana. [1] Electric Garage Door openers did not become popular until Era Meter Company of Chicago offered one after World War II where the overhead garage door could be opened via a key pad located on a post at the end of the driveway or a switch inside the garage.

4. Garage (residential) - Wikipedia

   en.wikipedia.org/wiki/Garage_(residential)

   Typically, a small British single garage is 8 by 16 feet (2.4 m × 4.9 m), a medium single garage is 9 by 18 feet (2.7 m × 5.5 m), and a large single garage is 10 by 20 feet (3.0 m × 6.1 m). Family sedans have become bigger than they were in the past, so the larger size has become a preferred option.

5. Insulated glazing - Wikipedia

   en.wikipedia.org/wiki/Insulated_glazing

   Pillar spacing and diameter limited the insulation achieved by designs available beginning in the 1990s to R = 4.7 h·°F·ft2/BTU (0.83 m2·K/W) no better than high quality double glazed insulated glass units. Recent products claim performance of R = 14 h·°F·ft2/BTU (2.5 m2·K/W) which exceeds triple glazed insulated glass units. [16]

6. Dihedral synchro-helix actuation doors - Wikipedia

   en.wikipedia.org/wiki/Dihedral_Synchro-Helix...

   The dihedral synchro-helix actuation door system is a type of door with a hinge mechanism which allows the doors to rotate 90° by sweeping outwards and upwards at the hinge. [1] It was designed and developed by Christian von Koenigsegg on behalf of high-performance sports cars manufacturer, Koenigsegg Automotive AB . [ 2 ]

7. Fire door - Wikipedia

   en.wikipedia.org/wiki/Fire_door

   Door clearances at the door edge of the door frame (Wood Door), on the pull side of the door, do not exceed clearances listed in 4.8.4 (the clearance under the bottom of the door shall be a maximum of 3/4") and 6.3.1 (top & edges 1/8") Metal door (top & edges up to 3/16")