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Insulating glass units (IGUs) are two or more panes of glass that are separated by a spacer and sealed together at the edges. The spacer is filled with a gas, such as argon or krypton, which helps to insulate the IGU and reduce heat transfer. IGUs are often referred to as “double glazing” or “double-pane” windows.
The GGF technical library for the glass and glazing industry offers a range of resources to help you stay up-to-date with the latest technical standards.
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Technical Library
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