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        • Video: Glass Tower Problems
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LiteZone Glass Inc.
  • Home
  • Overview
  • Product
    • How it works >
      • Construction
      • Scalability
      • Insulation zone >
        • Insulation zone slide show
      • Minimizes weight
      • No "kissing"
    • Highest performance >
      • Performance values
      • Testing
      • Visible light transmission
      • Complements wall R-values
    • Human comfort >
      • Comfortable spaces
      • Sound insulation
      • Blocks ultraviolet light
    • Extreme longevity >
      • Long life overview
      • Air filled
      • Pressure equalized
      • Superior film suspension
      • Superior spacer and edge seal >
        • Spacer and edge seal slide show
        • Why IGUs fail slide show
    • Reduce costs >
      • Reduce capital costs
      • Reduce energy costs
      • Lowest cost relative to performance
      • Large windows
      • Life cycle costs >
        • Video: Glass Tower Problems
  • Applications
    • Upgrade old or failed IGUs
    • Instead of triple pane
    • Renovations
    • New construction
    • Sunrooms
  • Projects
    • Replacement of failed IGUs in residence
    • Replacement of IGUs in high-rise buildings
    • Upgrade old windows
    • LiteZone® IGUs in fiberglass window frames
  • Featured Curtain Wall Project
  • "Frameless" Installations
  • Window Systems
  • Curtain Wall Systems
  • Curtain Wall Upgrades
  • Purchase
    • Direct
    • Through partners
    • Become a partner
    • Warranty
  • In the Media
  • Contact
LiteZone Glass Inc.

Product/Extreme longevity:

Air filled

Long life overview
Pressure equalized
Film suspension
Spacer and edge seal

​LiteZone® is air filled and has no concerns with loss of  performance or becoming decompressed due to escaping argon.

Insulating values can be increased by filling conventional glass units with a low conductive gas such as argon, krypton or xenon. Because of the very high cost of krypton and even higher cost of xenon, the most common gas used is argon.

Gas filled glass units are known to have issues with the gas escaping through the edge sealants over time.  Tiny flaws in an edge seal can result in the gas escaping very quickly. Even with perfect edge seals, argon will escape at the rate of about 1% per year. With a starting point of a 90% fill level (an industry standard), the performance of gas filled glass units will significantly degrade over its life. This can be a serious problem for buildings with heating and cooling systems dependent on the performance of its windows.

Because air cannot permeate through the sealants into the glass unit as quickly as argon can escape, the argon loss can cause a decompression of a glass unit. The result can be a unit with concave glass, reduced insulating value, added stress on the edge seals and a shorter life.

​
Because of the problems with gas filled glass units some manufacturers recommend against using gas filled units for commercial applications.
Picture
Click to watch the video from PPG Industries.
LiteZone® only uses air and is pressure equalized and therefore does not have any of these issues. A LiteZone® glass unit will not experience any deterioration in its performance or require any servicing or special procedures to maintain its performance during its lifetime.
​
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