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  LEVEL Sustainability: Windows 2nd edition

Windows and glazed doors play a vital role in sustainable building. They can account for more heat gain or loss than any other element in an insulated building envelope. Level_Windows 2nd ed.jpg A well designed glazing system can improve internal daylight levels, reduce glare and help maintain thermal comfort by reducing heat gain and loss. This contributes to energy efficiency by reducing the need for artificial heating, cooling or lighting.

This guide explains the technical background to the types of window construction, frame types and glazing available.  

This edition covers: 

  • Building controls
  • Functions of windows
  • Performance of windows
  • Aluminium windows
  • uPVC windows
  • Steel windows
  • Timber windows
  • Fibreglass windows
  • Certification of opening windows
  • Glazing
  • Insulating glass units
  • Fittings and accessories

This guide does not cover overhead glazing, roof windows, skylights or commercial facades or window sections. 

 LEVEL Sustainability Series

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