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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. Sound transmission class - Wikipedia

    en.wikipedia.org/wiki/Sound_transmission_class

    The STC provides a standardized way to compare products such as doors and windows made by competing manufacturers. A higher number indicates more effective sound insulation than a lower number. The STC is a standardized rating provided by ASTM E413 based on laboratory measurements performed in accordance with ASRM E90. ASTM E413 can also be ...

  4. Sandwich panel - Wikipedia

    en.wikipedia.org/wiki/Sandwich_panel

    Aluminium composite panels (ACP), made of aluminium composite material (ACM), are flat panels consisting of two thin coil-coated aluminium sheets bonded to a non-aluminium core. ACPs are frequently used for external cladding or facades of buildings, insulation, and signage .

  5. Insulated glazing - Wikipedia

    en.wikipedia.org/wiki/Insulated_glazing

    A typical installation of insulated glass windows with uPVC frames. Possibly the earliest use of double glazing was in Siberia, where it was observed by Henry Seebohm in 1877 as an established necessity in the Yeniseysk area where the bitterly cold winter temperatures regularly fall below -50 °C, indicating how the concept may have started: [2]

  6. Lumber - Wikipedia

    en.wikipedia.org/wiki/Lumber

    Natural insulation: lumber is a natural insulator which makes it particularly good for windows and doors. Less construction time, labor costs, and waste: it is easy to manufacture prefabricated lumber, from which pieces can be assembled simultaneously (with relatively little labor). This reduces material waste, avoids massive on-site inventory ...

  7. Timeline of United States inventions (1890–1945) - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_United_States...

    A garage door is a large door on a garage that can either be opened manually or by a garage door opener. Garage doors are necessarily large to allow passage of automobiles and/or trucks. In 1921, C. G. Johnson of Detroit invented the "Overhead Door", the first upward-lifting garage door. To market the garage door, Johnson mounted a small ...

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