Thermal insulating glass

Thermal insulating glass

Provider: GUARDIAN

Insulating Glass Package in Joinery

When we talk about glass in joinery, we are actually referring to the insulating glass unit (IGU). This is perhaps the most important element in a window assembly, as it makes up about 80% of the window's surface area, significantly influencing the heat exchange between the interior and exterior.

The sealing of the insulating glass unit is performed in two stages:

Primary sealing with butyl (which bonds each glass pane to the spacer bar)

Final sealing with thiokol (a polysulfide elastic sealant), which perfectly insulates the space between the two panes of glass and the distance between them. A distance of 16mm is considered optimal for achieving a good "U" value.

Triple Glazing (Tripan) is an insulating glass unit composed of three glass panes separated by two intermediate chambers. These spaces are typically filled with an inert gas (argon) to maximize the thermal and acoustic performance of the unit. View details

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Glass Pack:

  • Double Glazing (2 layers of glass) with thickness between 24 mm and 30 mm;

  • Triple Glazing (3 layers of glass) with thickness between 38 mm and 74 mm;

Available in various configurations: float, Low-E, solar, acoustic, laminated, toughened, etc.


Low-E Glass

Represents the ideal choice in terms of investment versus energy savings, especially when the goal is to minimize heat loss from the interior to the exterior.

Solar Control Glass

Maintains the properties of Low-E glass but offers higher protection against solar radiation from outside to inside. It’s the ideal choice when the goal is to eliminate the greenhouse effect in homes caused by natural solar energy. This type of glass also helps reduce air conditioning costs in the summer.

Float Glass

Produced by casting molten glass onto a liquid tin layer, resulting in a smooth, flat, and uniform surface with high optical clarity – ideal as a base for treated glass (Low-E, solar control, etc.).


"U" Value of Insulating Glass Used

The "U" value according to EN 673 for insulating glass expresses the amount of energy (measured in Watts) lost through a 1 m² surface per second, with an internal temperature of +20°C and an external temperature of -10°C. This value differs from the total Uw coefficient of the window (which is calculated separately, taking into account the Uf values of the frame profiles and the spacer bar of the insulating glass). The lower this value is, the better the thermal insulation.

photography of glass wall hallway


Decorative Glass & Special Glass

Decorative Glass is a type of glass used in various architectural and interior design applications. It comes in different textures, patterns, and finishes, serving both aesthetic and functional purposes. It can be used for creating room dividers, interior doors, walls, or decorative panels.

Common types of decorative glass:

  • Frosted Glass – With a matte appearance, obtained by sandblasting the surface of the glass. It’s ideal for maintaining privacy while providing aesthetic effects.

  • Colored Glass – Used to add color and texture to a space.

  • Etched Glass – Has various patterns etched onto the surface, adding a sophisticated visual effect.

  • Opaque Glass – Used to conceal areas or objects in a room while still allowing light to pass through.


Special Glass:

  • Safety Glass – Made by laminating two or more layers of glass with an interlayer of PVB film.

  • Toughened Glass – Glass that undergoes a heat-strengthening process, making it more resistant.

  • Sound Reduction Glass – Glass with superior acoustic insulation properties.

  • Decorative Insert Glass – Various hues and ornamental aluminum inserts integrated between the layers of glass.


  

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