Rating & Compliance (Glass) Building Codes & Rules
- Optimise your projects glazing rating and compliance with Tools™: energy efficiency, noise & sound control, thermal stress breakage, safety and more!
Critical Elements
- Energy Efficiency
- Acoustic Property
- Thermal Stress
- Weather / Climate Factors
- Fire Rating
- Bushfire Requirements
- Safety & Security
Glass Selection
Overhead Glazing
Energy Efficiency
- Adequate insulation for efficient energy use
- Reduced artificial heating & cooling
- Consider
- Solar Heat Gain Coefficient (SHGC)
- U-Value
- Transmission of light
- Location & orientation
- Shading
- Installation & building sealing
- Climate Zone
- Rated as a whole system to assess varying thermal properties of glass
- NatHERS 7-star stringency level
NCC Glazing CALCULATOR
NCC 2022 V3
Classes 1, 2, 4, & 10
NCC 2022, HP 13.3
May 2023
Informative
NCC 2022 HP, 13.3
- Two NCC Glazing Calculators help buildings comply with energy efficiency that uses different methods for their calculationsInformative
- Residential
- Commercial
- NCC Glazing Calculator is available at ABCB websiteNCC 2022 HP, 13.3
Energy Efficiency by Climate Zone
NCC 2022 V2
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- Adequate insulation for efficient energy use
- Reduced artificial heating & cooling
- Consider
- Solar Heat Gain Coefficient (SHGC)
- U-Value
- Transmission of light
- Location & orientation
- Shading
- Installation & building sealing
- Climate Zone
- Rated as a whole system to assess varying thermal properties of glass
- NatHERS 7-star stringency level
Noise & Sound Control
- ≥ 0.52mm acoustic interlayer for Laminated Glass
- ≥ 100mm airspace for Double Glazing
- + 40% glass thickness for narrow-gapped IGU's
- Interior & exterior gaps effectively sealed by
- Acoustic Sealant
- High Density Acoustic Foam
- Overall acoustic calculation based on entire window assembly
Acoustics
NCC 2022 V2
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- ≥ 0.52mm acoustic interlayer for Laminated Glass
- ≥ 100mm airspace for Double Glazing
- + 40% glass thickness for narrow-gapped IGU's
- Interior & exterior gaps effectively sealed by
- Acoustic Sealant
- High Density Acoustic Foam
- Overall acoustic calculation based on entire window assembly
Thermal Stress Breakage
- From uneven heating of Glass Pane
- The greater the temperature difference, the greater the risk of gaining Thermal Stress
- Avoid flaws on edges of Glass Pane
Thermal Stress Breakage
NCC 2022 V2
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Thermal Stress CAUSES
NCC 2022 V1
- From uneven heating of Glass Pane
- The greater the temperature difference, the greater the risk of gaining Thermal Stress
- Avoid flaws on edges of Glass Pane
Glass Coating
Applications
- Value-added performance
- Modifying surface properties for
- Improved abrasion resistance
- Reduced reflectivity
- Increased chemical resistance
- Self-cleaning
- Used as a filter to alter light transmittance
- Coating for Mirror applications
Glass Coating TYPES
NCC 2022 V1
Applications
- Value-added performance
- Modifying surface properties for
- Improved abrasion resistance
- Reduced reflectivity
- Increased chemical resistance
- Self-cleaning
- Used as a filter to alter light transmittance
- Coating for Mirror applications
Typical Sizes
- Sizes & thickness vary depending on
- Human Impact Safety
- Acoustics
- Climate & Wind Loads
Common Glass SIZES
NCC 2022 V2
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- Sizes & thickness vary depending on
- Human Impact Safety
- Acoustics
- Climate & Wind Loads
Glazing Safety
Balustrades
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