Energy Efficient Glazing

Choose a high performance glazing option to maximise energy efficiency.  

Keylite Roof Windows can be supplied with a wide range of glazing variants including thermal properties, tinted, frosted and self-cleaning glass.

Standard Glazing

Thermal

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  • 4mm toughened on outer pane.
  • 20mm Argon gas filled cavity.
  • 4mm float inner pane.
  • Warm edge glazing unit.
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Optional Glazing Upgrades

Hi Therm

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  • Self-cleaning glass on outer pane.  
  • 4mm toughened outer pane.
  • 18mm Argon gas filled cavity.  
  • 6mm laminated inner pane.  
  • Ideal safety glazing for windows below 800mm from finish floor level  or windows above  head height.
  • Improves sound reduction, safety and a reduction in the harmful effects of UV light.
  • Warm edge glazing unit
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Triple

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  • Self-cleaning glass on outer pane.  
  • 4mm toughened outer pane.  
  • 10mm Krypton gas filled cavity.
  • 4mm float centre pane
  • 8mm Krypton gas filled cavity.
  • 4mm float inner pane
  • Triple glazing offers a lower U value as well as better sound insulation.
  • Warm edge glazing unit.
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Bronze

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Frosted

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Self Cleaning

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NOTE: Triple Glazing is not available with Integral Blind, Hi Therm Glazing is not available with Integral Blind. In case of Integral Blind Window, the Low ’E’ Coating is on the inner surface of the outside pane. This has no detrimental effect on ‘U’ value. U value is based on a centre pane measurement.