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122 Leadenhall - 'The Cheesegrater'

The 75,000 square metres façade features a curtain wall that is double glazed to allow for a high solar protection on neutral-looking glass.

Fruit and Wool Exchange

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Caudwell International

Curved glass, punch windows and precast stone panels make up the envelope on a figure-of-eight footprint.

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SunGuard® eXtraSelective
SNX 60
Boost thermal insulation, banish energy costs

By delivering world-class selectivity, SunGuard® eXtra Selective (SNX) 60 helps reduce energy costs by lowering the demand for artificial lighting, air conditioning and heating. With a transparent appearance, low reflection and consistent colour, it is the ideal choice for completely glazed facades. It delivers optimum thermal insulation when used in a standard double-glazed unit.

Product information
Substrates
  • Guardian ExtraClear/4-12mm
  • Guardian UltraClear/4-12mm
Applications
  • Facades
  • Windows
  • Doors
  • Curtain Walls
  • Roofs
Manufacturing options
  • Laminated
  • Bent
  • Heat Strengthened
  • Annealed
  • HT versions
  • TPF (Temporary Protective Film) for processing prior to tempering
Recommended Coating Positions
  • Surface 2 (double)
  • Surface 2 (Triple)
Maximum Size
  • <Jumbo (3210x6000mm)
Edge Deletion
  • Yes
Glass type
  • Triple Silver Coated Glass
Glass functions
  • Solar Control
  • Thermal Insulation
Fabrication options
  • Must be used in Insulating Glass Units
Appearance
  • Neutral

Visual Appearance

Use the glass visualizer to get an introductory understanding of how glass will appear in use. Use the Glass Analytics tools to explore even more options for color and performance.

Choose an option
There is only one substrate available for this product

View

This tool intended to represent the reflected/transmitted color ; however, glass color cannot be accurately portrayed online. Please see color disclaimer at bottom of the page.

Original Image
Modified Image

You need more information and additional mockups? Consult our Glass Visualizer Tool:

Performance data

The glazing make-up suggestions below are pre-defined to provide examples of commonly used combinations of products. There are many other glass combinations available at Glass Analytics.

DoubleGlazed

DoubleGlazed

GLASS: Guardian ExtraClear (CE) Glass, 6mm (2-SunGuard® SNX 60 HT (CE))

GAP: 10% Air, 90% Argon 16.0mm

GLASS: Guardian ExtraClear (CE) Glass, 4mm

Calculated Values are in accordance with EN 410:2011 , EN 673:2011

Performance Values

Visible Light
Transmittance (τv)
60.1 %
Reflectance outside (ρv)
13.7 %
Reflectance inside (ρv)
13.4 %
Colour Rendering Index (Ra)
94.8
Ultraviolet
Transmittance UV(τuv)
10.7 %
Solar Energy
Solar transmittance(τe)
27.1 %
Reflectance outside (ρe)
40.5 %
Solar Factor (SF/g)
28.9 %
Thermal Properties
U-Value (Ug)
1.0 W/m²·K

TripleGlazed

TripleGlazed

GLASS: Guardian ExtraClear (CE) Glass, 6mm (2-SunGuard® SNX 60 HT (CE))

GAP: 10% Air, 90% Argon 16.0mm

GLASS: Guardian ExtraClear (CE) Glass, 4mm

GAP: 10% Air, 90% Argon 16.0mm

GLASS: Guardian ExtraClear (CE) Glass, 4mm

Calculated Values are in accordance with EN 410:2011 , EN 673:2011

Performance Values

Visible Light
Transmittance (τv)
55.1 %
Reflectance outside (ρv)
16.8 %
Reflectance inside (ρv)
19.6 %
Colour Rendering Index (Ra)
94.3
Ultraviolet
Transmittance UV(τuv)
9.5 %
Solar Energy
Solar transmittance(τe)
24.8 %
Reflectance outside (ρe)
41.7 %
Solar Factor (SF/g)
26.7 %
Thermal Properties
U-Value (Ug)
0.8 W/m²·K
Performance Calculations
SunGuard® eXtraSelective
SNX 60
  • 1 Pane
  • 2 calculation format
  • 3 results
  • 1 Outer Pane
  • 2 Inner Pane
  • 3 cavity
  • 4 calculation format
  • 5 results
  • 1 Outer Pane
  • 2 Middle Pane
  • 3 Inner Pane
  • 4 cavity
  • 5 calculation format
  • 6 results

Choose a glazing

  • Monolithic

    Not available for this product

  • Double

    Not available for this product

  • Triple

    Not available for this product

Outer Pane

There is only one substrate available for this product.
There is only one thickness available, to calculate other thickness' please go to Glass Analytics
There is only one coating available

Choose your calculation format

    There is only one calculation standard available

    results

    Calculated Values are in accordance with

    Performance Values

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