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  2. Insulated glazing - Wikipedia

    en.wikipedia.org/wiki/Insulated_glazing

    EURO 68 wooden window profile with insulated glazing. Insulating glass (IG) consists of two or more glass window panes separated by a space to reduce heat transfer across a part of the building envelope. A window with insulating glass is commonly known as double glazing or a double-paned window, triple glazing or a triple-paned window, or ...

  3. Storm window - Wikipedia

    en.wikipedia.org/wiki/Storm_window

    Storm window. Storm windows are windows that are mounted outside or inside of the main glass windows of a house. [1] Storm windows exist in North America, but are uncommon in continental Europe, where double, triple or quadruple glazing is prevalent. Storm windows can be made of glass, rigid plastic panels, or flexible plastic sheets; and may ...

  4. Window insulation - Wikipedia

    en.wikipedia.org/wiki/Window_insulation

    Window insulation reduces heat transfer from one side of a window to the other. The U-value is used to refer to the amount of heat that can pass through a window, called thermal transmittance, with a lower score being better. [1] The U-factor of a window can often be found on the rating label of the window. Although the concept of U-value (or U ...

  5. Window screen - Wikipedia

    en.wikipedia.org/wiki/Window_screen

    Window screen. A window screen (also known as insect screen, bug screen, fly screen, flywire, wire mesh, or window net) is designed to cover the opening of a window. It is usually a mesh made of metal, fibreglass, plastic wire, or other pieces of plastic and stretched in a frame of wood or metal. It serves to keep leaves, debris, bugs, birds ...

  6. Seismic retrofit - Wikipedia

    en.wikipedia.org/wiki/Seismic_retrofit

    Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to earthquakes. With better understanding of seismic demand on structures and with recent experiences with large earthquakes near urban centers, the need of seismic retrofitting is well acknowledged ...

  7. Retrofitting - Wikipedia

    en.wikipedia.org/wiki/Retrofitting

    Retrofitting is the addition of new technology or features to older systems. Retrofits can happen for a number of reasons, for example with big capital expenditures like naval vessels, military equipment or manufacturing plants, businesses or governments may retrofit in order to reduce the need to replace a system entirely.

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