BU680 Insulating glass units (IGUs)

Abbreviation
BU680(2022)
Valid from
1/12/2022

Information provider
BRANZ Limited
Information type
BRANZ Bulletin
Format
PDF

Description

H1/AS1 and H1/VM1 5th edition amendment 1 are likely to result in a larger number and greater range of IGUs being installed in housing, and buildings up to 300 m².

This bulletin gives an overview of the types of IGUs available and what should be considered in specifying them, with a particular focus on housing. 

Scope

This bulletin covers: 

  • Introduction
  • Construction of an IGU
    • Frames
    • Glazing
    • Low-E glazing
    • Spacers
    • Seals
    • Cavity filling
  • New Zealand Building Code and Standards
    • Durability
    • Energy Efficiency
    • IGU Handling and installation
  • Carbon considerations
  • Specifying IGU to avoid overheating
  • Window energy efficiency rating system (WEERS)
  • Retrofitting IGUs
  • Maintenance
  • IGU in skylights
  • Resources
For assistance with locating previous versions, please contact the information provider.
Notes/comments

This bulletin replaces Bulletin 598 of the same name.

View on Information Provider website Download this resource (PDF, 587KB)
For assistance with locating previous versions, please contact the information provider.

This bulletin replaces Bulletin 598 of the same name.

This resource is not cited by any other resources.

BU680 Insulating glass units (IGUs)

This document is not CITED BY any other resources:

BU680 Insulating glass units (IGUs)

Description

H1/AS1 and H1/VM1 5th edition amendment 1 are likely to result in a larger number and greater range of IGUs being installed in housing, and buildings up to 300 m².

This bulletin gives an overview of the types of IGUs available and what should be considered in specifying them, with a particular focus on housing. 

View on Information Provider website Download this resource (PDF, 587KB)
BU680 Insulating glass units (IGUs)
Description

H1/AS1 and H1/VM1 5th edition amendment 1 are likely to result in a larger number and greater range of IGUs being installed in housing, and buildings up to 300 m².

This bulletin gives an overview of the types of IGUs available and what should be considered in specifying them, with a particular focus on housing. 

View on Information Provider website Download this resource (PDF, 587KB)
This resource does not cite any other resources.

BU680 Insulating glass units (IGUs)

This resource does not CITE any other resources.
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