Glass Selection Building Codes & Rules
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Balustrades
AS 1288:2021, 3.8.2
Protection
Required
Protection
Required
Edge Seal
- Edge Seal Recommended
- Protects edges against unsightly deterioration
- Minimises chipping of edges during handling & installation
- Laminated Glass
- Autoclaved Interlayers
- Protective Film / Tape
- Liquid Applied / Sprayed
- Insulated Glass Unit (IGU) Components
- Polyisobutylene (PIB)
- Silicone (Two-part)
- Edge Spacer & Desiccant
Insulated Glass Unit Components
NCC 2022 V3
null
- Edge Seal Recommended
- Protects edges against unsightly deterioration
- Minimises chipping of edges during handling & installation
- Laminated Glass
- Autoclaved Interlayers
- Protective Film / Tape
- Liquid Applied / Sprayed
- Insulated Glass Unit (IGU) Components
- Polyisobutylene (PIB)
- Silicone (Two-part)
- Edge Spacer & Desiccant
Glass Rating & Compliance
Edgework
- For frameless & exposed edges
- Eliminate sharp edges including cut-outs & holes
- Selected for aesthetics
Types of Edges / Arris
NCC 2022 V3
null
- For frameless & exposed edges
- Eliminate sharp edges including cut-outs & holes
- Selected for aesthetics
Interlayer Types
- PVB (Polyvinyl Butyral)
- SGP (Ionoplast)
- EVA (Ethylene Vinyl Acetate)
- TPU (Thermoplastic Polyurethane)
- Clear Intumescent Gel (Fire-rated)
- Acoustic Trilayer (Special PVB)
Interlayers for Laminated Glass
NCC 2022 V2
null
- PVB (Polyvinyl Butyral)
- SGP (Ionoplast)
- EVA (Ethylene Vinyl Acetate)
- TPU (Thermoplastic Polyurethane)
- Clear Intumescent Gel (Fire-rated)
- Acoustic Trilayer (Special PVB)
Glass Types
- Float / Annealed
- Basic flat glass processed by slow controlled cooling
- Toughened
- Annealed glass treated with thermal tempering
- Laminated
- Two or more glass panes interlayered with a bonding resin
- Insulating Glass Unit (IGU)
- Two or more glass panes separated by a spacer & sealed
Glass PROPERTIES
NCC 2022 V2
Glass CHEMISTRY
NCC 2022 V2
Glass TYPES
NCC 2022 V3
null
- Float / Annealed
- Basic flat glass processed by slow controlled cooling
- Toughened
- Annealed glass treated with thermal tempering
- Laminated
- Two or more glass panes interlayered with a bonding resin
- Insulating Glass Unit (IGU)
- Two or more glass panes separated by a spacer & sealed
AS 1288:2021, 3.8.2
Glazing Safety
Processing Holes in Glass
Silicone Curing
Silicone Curing RULES
NCC 2022 V1
All Building Classes
NCC 2022 B1D4, H1D8, H6D2 [B1.4, 3.6, 3.12.3]
May 2023
AS 1288:2021, F.3.4
- Glazed Assemblies to comply to the NCC
- Support required until fully curedAS 1288:2021, F.3.4
- Actual curing time to be determined by Manufacturer
- Cure Mechanism
- Two-part cures within hours
- One-part longer time to cure
Roof Glazing
Glass to Glass Joints
- Dry Glazing
- Neoprene, UV resistant extruded rubber gasket
- 100mm to 200mm bite
- Wet Glazing
- Elastomeric Sealant
- Butyl Tape
- Putty-based Compound
- General Glazing
- Structural Silicone
- Butt Joint
Glazing Method
NCC 2022 V3
null
- Dry Glazing
- Neoprene, UV resistant extruded rubber gasket
- 100mm to 200mm bite
- Wet Glazing
- Elastomeric Sealant
- Butyl Tape
- Putty-based Compound
- General Glazing
- Structural Silicone
- Butt Joint
Spontaneous Breakage Protection
- Protection against Spontaneous Breakage Risk, required below Glass if[1]
- ≥ 5m above a Trafficable area for Vertical Glazing
- ≥ 3m above a Trafficable area for sloped IGU's
- Minimize risk by[2]
- Having a horizontal element below, such as balconies
- Treatment or selection of Glass Type
- Laminated Glass for lower pane in sloped IGU's
- Heat Soaking
- Heat Soaking is required for[3]
- Monolithic Toughened Glass, or
- Heat Strengthened Glass, if
- ≥ 52 MPa surface compression
- Heat Soaking not required[4]
- Laminated Toughened Glass, or
- Laminated Heat-strengthened Glass
Horizontal Protection RULE
NCC 2022 V3
All Building Classes
NCC 2022 B1D4, H1D8, H6D2 [B1.4, 3.6, 3.12.3]
May 2023
AS 1288:2021, 3.8.2
- Glazed Assemblies to comply to the NCC
- Protect people below with a horizontal elementAS 1288:2021, 3.8.2
- ≥ 2/3 Height of the Glazed Assembly
AS 1288:2021, 3.8.2
AS 1288:2021, 3.8.2
AS 1288:2021, 3.8.2
AS 1288:2021, 3.8.2
- Protection against Spontaneous Breakage Risk, required below Glass ifAS 1288:2021, 3.8.2
- ≥ 5m above a Trafficable area for Vertical Glazing
- ≥ 3m above a Trafficable area for sloped IGU's
- Minimize risk byAS 1288:2021, 3.8.2
- Having a horizontal element below, such as balconies
- Treatment or selection of Glass Type
- Laminated Glass for lower pane in sloped IGU's
- Heat Soaking
- Heat Soaking is required forAS 1288:2021, 3.8.2
- Monolithic Toughened Glass, or
- Heat Strengthened Glass, if
- ≥ 52 MPa surface compression
- Heat Soaking not requiredAS 1288:2021, 3.8.2
- Laminated Toughened Glass, or
- Laminated Heat-strengthened Glass
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