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AS 4666:2012

[Current]

Insulating glass units

Sets out requirements and guidelines for the long term type testing, glazing, periodic manufacturing testing and other associated aspects to do with insulating glass units.
Published: 21/06/2012
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Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
1 Scope and general
1.1 Scope
1.2 Application
1.3 Normative references
1.4 Definitions
2 Long-term type testing
2.1 General
2.2 Applicable Standards
2.2.1 General
2.2.2 Acceptable period between type tests
2.2.3 ‘Text deleted’
3 Glazing
3.1 Scope of Section
3.2 Fundamental principles
3.3 Site working and damage
3.4 Glazing materials
3.4.1 Suitability of materials
3.4.2 Compatibility of materials
3.4.3 Application of materials
3.4.4 Life expectancy of materials
3.5 Setting blocks
3.6 Location blocks
3.7 Distance pieces
3.8 Preparation of rebates and grooves
3.9 Glazing beads
3.10 Structural silicone sealants
3.11 Sloped and overhead glazing
4 Marking
5 Manufacturing and periodic testing
5.1 Scope of Section
5.2 Atmospheric conditions
5.3 Glass
5.3.1 Compliance with order
5.3.2 Traceability
5.3.3 Types of substrates
5.3.4 Edge characteristics
5.3.5 Dimensional properties
5.3.5.1 General
5.3.5.2 Residential units—height/width
5.3.5.3 Commercial units—height/width
5.3.6 Cleanliness
5.3.7 Glass—Scratches, blemishes, marks and inclusions
5.4 Spacer and ancillaries
5.4.1 Origin and compliance with order
5.4.2 Traceability
5.4.3 Spacer types
5.4.3.1 Rigid
5.4.3.2 Thermoplastic/butyl spacer material
5.4.3.3 Foam type spacer
5.4.4 Joiners—Corner keys and straight connectors
5.4.5 Joins
5.4.6 Cleanliness
5.4.7 Dimensional properties
5.4.7.1 Spacer bars
5.4.7.2 Thermoplastic/butyl spacer material
5.4.8 Spacer bar—Post assembly inspection
5.5 Desiccants
5.5.1 Introduction
5.5.2 Origin and compliance with order
5.5.3 Traceability
5.5.4 Types of desiccant
5.5.5 Effectiveness/fit for purpose
5.5.6 Volume of desiccant
5.5.7 Allowable time for desiccant exposure to ambient relative humidity and temperature
5.5.8 Shelf life
5.5.9 Desiccant suitability to gassing of insulating glass units
5.6 Sealants
5.6.1 Origin and compliance with order
5.6.2 Traceability
5.6.3 Sealant types
5.6.4 Sealants—Minimum dimensions
5.6.5 Sealant compatibility
5.6.6 Sealant adhesion
5.6.7 Mix ratio
5.6.8 Mix homogeneity
5.6.9 Sealant cure rate
5.6.10 Handling
5.6.10.1 Shelf life
5.6.10.2 Storage
5.7 Gassing of units
5.7.1 Origin and compliance with order
5.7.2 Traceability
5.7.3 Gas types
5.7.4 Quality/dryness
5.7.5 Compatibility with desiccant
5.7.6 Volume/pressure
5.7.7 Resealing detail
5.8 Completed units
5.8.1 Type
5.8.2 Test format
5.8.3 Sealant cured
5.8.4 Dimensional properties
5.8.4.1 General
5.8.4.2 Height × width
5.8.4.3 Squareness
5.8.4.4 Flatness (bow)
5.8.5 Uniformity of spacer depth
5.8.6 Voids in sealants
5.8.7 Glass alignment/offset
5.8.8 Surface orientation
5.8.9 Cleanliness
5.8.10 Marks/scratches and inclusions
5.8.11 Moisture content
5.8.12 Storage and handling of uncured units within the manufacturing environment
5.8.12.1 Support
5.8.12.2 Angle
5.8.12.3 Spacing/interleaving
6 Number of units tested
Appendix A
A1 Scope of Appendix
A2 Apparatus
A3 Thickness
A4 Flatness (bow)
A5 Squareness
Appendix B
B1 Capillary tubes
B2 Breather tubes
Appendix C
C1 Airspace and gas
C2 Low E glass
C3 Solar and thermal performance criteria
C4 Condensation
C5 Sound insulation
Appendix D
D1 Deflection and reflection
D2 Newton’s Rings
D3 Brewster’s Fringes
D4 Preferential wetting patterns
Appendix E
E1 Introduction
E2 Thermal stress breakage
E3 Moisture attack
E4 Compatibility
E5 Solar radiation exposure
E6 Frame design
E6.1 Dimensions
E6.2 Drained glazing systems
E6.2.1 General principles
E6.2.2 Edge clearance
E6.2.3 Edge cover
E6.2.4 Rebate depth
E6.2.5 Rebate width
E6.2.6 Beads
E6.3 Non-drained glazing systems
E6.4 Unsupported edges
E7 Glazing method selection
E7.1 Exposure conditions
E7.2 Frame materials and construction
E7.3 Frame design
E7.4 Compatibility
E7.5 Glass type
E7.6 Special conditions of use
E7.7 Energy
E8 Sloped overhead glazing
E8.1 Definition
E8.2 Design and glazing
Appendix F
F1 Introduction
F2 General
F3 Methods
F3.1 Method 1: Gasket sections—Drained method (See Figure F1)
F3.1.1 Exposure rating
F3.1.2 Frame suitability
F3.1.3 Procedure
F3.2 Method 2: Glazing tapes—Drained method (See Figure F2)
F3.2.1 Materials
F3.2.2 Exposure rating
F3.2.3 Frame suitability
F3.2.4 Procedure
F3.3 Method 3: Glazing tapes with sealant capping—Drained method (See Figure F3)
F3.3.1 Materials
F3.3.2 Exposure rating
F3.3.3 Frame suitability
F3.3.4 Procedure
F3.4 Non-drained glazing methods
F3.5 Channel glazing
F3.6 Structural silicone glazing
Appendix G
G1 Transport and storage
G2 Handling and preservation
G3 Special installation consideration
Appendix H
Appendix I
I1 General
I2 Apparatus
I3 Procedure
I4 Evaluation
Appendix J
J1 General
J2 Apparatus
J3 Procedure
J4 Evaluation
Appendix K
K1 Introduction
K2 Scope
K3 Primary seal
K4 Secondary seal
Appendix L
L1 General
L2 Apparatus
L3 Procedure
L4 Report
Appendix M
M1 General
M2 Apparatus
M3 Procedure
M4 Evaluation
Appendix N
N1 General
N2 Apparatus
N3 Mixing
N4 Procedure
Appendix O
O1 General
O2 Apparatus
O3 Procedure
O4 Evaluation
Appendix P
P1 Scope of Appendix
P2 Principle
P3 Apparatus
P4 Procedure
P5 Evaluation
Bibliography
Amendment control sheet
AS/NZS 4666:2012
Amendment No. 1 (2018)
Revised text
Cited references in this standard
ASTM E546
Standard Test Method for Frost/Dew Point of Sealed Insulating Glass Units
NZS 4223.3
Code of practice for glazing in buildings, Part 3: Human impact safety requirements
[Current]
Glass in buildings — Selection and installation
[Current]
Structural design actions, Part 0: General principles
[Current]
Glass in buildings — Insulating glass — Part 1: Durability of edge seals by climate tests
Content history
[Superseded]
DR AS/NZS 4666