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  BU507 Timber windows - retrofit glazing options for thermal...

BU507.jpgHouses with timber-framed windows and single glazing can have problems with draughts, poor thermal performance and poor solar control.

This bulletin contains information on upgrading the thermal performance of existing timber framed windows in domestic buildings in New Zealand. While concerned mainly with single family dwellings, it is also relevant to flats, apartments and non-residential buildings that use timber exterior joinery.

The bulletin covers:

  • existing frames, glazing, materials and performance
  • thermal renovation of timber framed windows
  • replacing glass
  • secondary glazing
  • new insulated glazing into existing timber
  • removal and replacement of windows.

Publication date: February 2009 Keywords: glass, glazing, insulation, timber, window