What are window sealed units?

Window sealed units, often referred to as “insulated glass units” (IGUs) or “double glazing”, consist of two or more panes of glass separated by a spacer and sealed together at their perimeter.

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What are window sealed units?

Window sealed units, often referred to as “insulated glass units” (IGUs) or “double glazing” (or “triple glazing” when three panes are used), consist of two or more panes of glass separated by a spacer and sealed together at their perimeter. The space between the panes is typically filled with an insulating gas, such as argon or krypton, to improve the unit’s thermal performance. Here are some key features and benefits of window sealed units:

 

  1. Thermal Insulation: One of the primary purposes of IGUs is to provide improved thermal insulation compared to single-pane windows. This helps in reducing energy costs for heating or cooling.
  2. Sound Insulation: These units can offer better sound insulation, reducing external noise penetration.
  3. Reduced Condensation: The sealed air or gas space between the panes reduces the chance of condensation forming on the inside surfaces of the glass, which can be a problem with single-pane windows in certain conditions.
  4. UV Protection: Some IGUs are designed with coatings that reduce the transmission of ultraviolet (UV) rays, thereby protecting the interior furnishings from fading.
  5. Safety and Security: Laminated or tempered glass can be used in IGUs to increase the safety and security features of the window.
  6. Variety of Options: Many options are available when choosing IGUs, including different types of glass (e.g., low-E glass, tinted glass), gas fills, and spacer materials.
  7. Spacer Bars: The spacer bar that separates the panes often contains a desiccant material that absorbs any residual moisture inside the sealed unit, preventing fogging between the panes.
  8. Longevity: If manufactured and installed correctly, IGUs can last for many years. However, the seal can degrade over time, leading to air or moisture ingress, which may cause fogging between the panes.

 

When considering replacing or installing new windows, window sealed units can offer a range of benefits over traditional single-pane windows, especially in terms of energy efficiency and comfort. Talk to Centennial Glass today about replacing or repairing your old windows.

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