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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

The new-build façades are predominately brick-faced, with punched windows to reflect the surrounding context.

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® High Performance
Amber 41/29
The triple-threat: solar control, thermal insulation and beautiful colour

Guardian SunGuard® High Performance (HP) Amber 41/29 is a beautiful, honey-yellow glass that offers excellent energy efficiency for facades, curtain walls, windows and doors. It is an ideal choice for a variety of climates, particularly where air conditioning is used and where energy regulations need to be met or exceeded. It pairs well with other glass, like on Victoria Tower in Stockholm, making HP Amber 41/29 a flexible, unique option for today’s architects.

Product information
Substrates
  • Guardian ExtraClear/4-12 mm
Applications
  • Facades
  • Windows
  • Doors
  • Curtain Walls
  • Roofs
Manufacturing options
  • Annealed and Heat Treated - Single Product
  • Laminated
  • Bent
Recommended Coating Positions
  • Surface 2 (double IGU)
  • Surface 2 (triple IGU)
Maximum Size
  • <Jumbo (3210x6000mm)
Edge Deletion
  • No, with conditions*
Glass type
  • Single Silver Coated Glass
Glass functions
  • Solar Control
  • Thermal Insulation
Fabrication options
  • Must be used in Insulating Glass Units
Appearance
  • Bronze

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.

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Modified Image

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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® HP Amber 41/29 (CE))

GAP: 10% Air, 90% Argon 16.0mm

GLASS: Guardian ExtraClear (CE) Glass, 6mm

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

Performance Values

Visible Light
Transmittance (τv)
40.3 %
Reflectance outside (ρv)
25.3 %
Reflectance inside (ρv)
16.9 %
General Color Rendering Index (CRI)
86.6
Ultraviolet
Transmittance UV (τuv)
31.9 %
Solar Energy
Solar transmittance (τe)
26.4 %
Reflectance outside (ρe)
36.5 %
Reflectance inside (ρe)
32.0 %
Solar absorptance (αe)
37.1 %
Solar Factor (g)
29.3 %
Shading Coefficient (sc)
0.34
Secondary Heat Transfer (qi)
2.9
Thermal properties
U-Value (Ug)
1.1 W/m²·K

TripleGlazed

TripleGlazed

GLASS: Guardian ExtraClear (CE) Glass, 6mm (2-SunGuard® HP Amber 41/29 (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 (5-ClimaGuard® A 1.0 Tempered (CE))

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

Performance Values

Visible Light
Transmittance (τv)
32.4 %
Reflectance outside (ρv)
27.9 %
Reflectance inside (ρv)
27.9 %
General Color Rendering Index (CRI)
86.9
Ultraviolet
Transmittance UV (τuv)
16.7 %
Solar Energy
Solar transmittance (τe)
18.7 %
Reflectance outside (ρe)
38.8 %
Reflectance inside (ρe)
42.9 %
Solar absorptance (αe)
42.5 %
Solar Factor (g)
22.7 %
Shading Coefficient (sc)
0.26
Secondary Heat Transfer (qi)
4.0
Thermal properties
U-Value (Ug)
0.5 W/m²·K
Performance Calculations
This is a placeholder text to explain that with the lite performance calculator, you can quickly calculate the performance data that match your own glazing make-up
  • 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

Monolithic

Monolithic Laminated

Double Glazed

Double Outer pane Laminated

Double Inner pane Laminated

Double Inner and Outer pane Laminated

Triple Glazed

Triple Outer pane Laminated

Triple Inner pane Laminated

Triple Inner and Outer pane Laminated

Outer Pane

There is only one substrate available for this product.
There is only one Interlayer available for this product.
There is only one substrate available for this product.
There is only one thickness available, to calculate other thickness' please go to Glass Analytics
Glass thickness are symetrical and represent the glass to be laminated
There is only one coating available
There is only one coating available
There is only one coating available
There is only one coating available

Choose your calculation format

There is only one calculation standard available
There is only one unit available for this calculation standard

Results

Calculated Values are in accordance with

Performance Values

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