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  2. Technal - Wikipedia

    en.wikipedia.org/wiki/Technal

    Technal logo. The Technal logo sympbolises one of its key product components - the 4114 profile. In 1960, the first logo showed the company name "Alusud", the "A" becoming a stylised graphic in 1966. When the company opened overseas in 1970, the name and the graphic representation of the 4114 profile were brought together to form a new logo and the emblem of the Technal system; Al

  3. Window insulation - Wikipedia

    en.wikipedia.org/wiki/Window_insulation

    Therefore, thermal insulation profiles are used to create a thermal separation of the inner and outer shells of metal frames. The variety of thermal insulation profiles (Insulbar) allows low U f values (for example 1.3 W/m 2 K by using a 34mm insulation profile and up to 1.1 W/m 2 K with contemporary aluminum systems) to be reached.

  4. Aluminium - Wikipedia

    en.wikipedia.org/wiki/Aluminium

    Aluminium (or aluminum in North ... Recycling was a low-profile activity until the late 1960s, ... Building and construction (windows, doors, siding, building wire, ...

  5. 6063 aluminium alloy - Wikipedia

    en.wikipedia.org/wiki/6063_aluminium_alloy

    6063 is the most common alloy used for aluminium extrusion. It allows complex shapes to be formed with very smooth surfaces fit for anodizing and is popular for visible architectural applications such as window frames, door frames, roofs, and sign frames. [ 3 ]

  6. Window - Wikipedia

    en.wikipedia.org/wiki/Window

    A window is an opening in a wall, door, roof, or vehicle that allows the exchange of light and may also allow the passage of sound and sometimes air.Modern windows are usually glazed or covered in some other transparent or translucent material, a sash set in a frame [1] in the opening; the sash and frame are also referred to as a window. [2]

  7. 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]