BU507 Timber windows - retrofit glazing options for thermal improvement
- Valid from
- Information provider
- BRANZ Limited
- Information type
- BRANZ Bulletin
- PDF, Hard copy
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.