United Kingdom & Ireland - EN

Gold 20

logo check
What's your challenge?
Design with glass

From anti-reflection to color tints, modern glass enhances design in many ways.

Build with glass

Whatever the construction challenge, we have the glass to help meet it.

Glass for your home

See how the correct choice of glass can help transform a home – and even our wellbeing.

Highlights
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.

Discover our showcase projects, captured through the lens of professional photography.

Explore Guardian Glass projects in your area and beyond with Google Street View and be inspired by the possibilities.

Highlights
Our story

Just as we were in 1932, we're ready to meet the challenges of now and the future

Environmental Stewardship

Find out more about how glass can support sustainable design

Quality control

We strive for quality in everything we do

 
SunGuard® Solar

Solar Gold 20

Add more products here

Solar control for creative applications

Guardian SunGuard® Solar is a solar control glass that reflects the sun’s heat away from the glass, helping to prevent your home or workplace from overheating. Available in a variety of colours such as bright green, bronze, gold, grey, light blue, neutral, royal blue, silver and silver grey, the product is used for curtain walls, conservatories, spandrels, structural glazing, windows and doors.

Product information

Substrates
  • Guardian ExtraClear 4-12 mm
Applications
  • Windows
  • Facades
  • Roof window
  • Curtain walls
  • Doors
Manufacturing Options
  • Single Product (Annealed and Heat Treated)
  • Heat Strengthened
  • Heat Soaked
  • Annealed
  • Laminated
  • Bent
  • Tempered
Recommended Coating Positions
  • Surface 2 (double IGU)
  • Surface 2 (triple IGU)
Maximum Size
  • <3210x6000mm
Edge Deletion
  • No
Glass Type
  • Durable Coated Glass
Glass Functions
  • Solar control
Fabrication Options
  • Can be used Monolithic
  • Can be in an Insulating Glass Unit
Appearance
  • Gold

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. For more information, launch the Glass Visualizer.

Original Image
Modified Image

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

Calculate Performance Values & Generate BIM Files
Generate product performance data for custom glass make-ups and create detailed BIM object files for your project
Calculate
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.

Triple Glazed

pim/components/structure/pim-triple

GLASS: Guardian ExtraClear (CE) Glass, 6mm (2-SunGuard® Solar Gold 20 (CE))

GAP: 10% Air, 90% Argon 14.0mm

GLASS: Guardian ExtraClear (CE) Glass, 4mm

GAP: 10% Air, 90% Argon 14.0mm

GLASS: Guardian ExtraClear (CE) Glass, 4mm (5-ClimaGuard® Premium2 (CE))

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

Performance Values

Visible Light
Transmittance (τv)
19 %
Reflectance outside (ρv)
27 %
Reflectance inside (ρv)
19 %
General Color Rendering Index (CRI)
95
Ultraviolet
Transmittance UV (τuv)
7 %
Solar Energy
Solar transmittance (τe)
11 %
Reflectance outside (ρe)
17 %
Reflectance inside (ρe)
34 %
Solar absorptance (αe)
71 %
Solar Factor (g)
15 %
Shading Coefficient (sc)
0.17
Thermal properties
U-Value (Ug)
0.8 W/m²·K
Embodied Co<sub>2</sub>
[eq. kg/m²] A1-A3
43.37

Double Glazed

pim/components/structure/pim-double

GLASS: Guardian ExtraClear (CE) Glass, 6mm (2-SunGuard® Solar Gold 20 (CE))

GAP: 10% Air, 90% Argon 16.0mm

GLASS: Guardian ExtraClear (CE) Glass, 4mm (3-ClimaGuard® Premium2 (CE))

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

Performance Values

Visible Light
Transmittance (τv)
20.5 %
Reflectance outside (ρv)
26.1 %
Reflectance inside (ρv)
12.9 %
General Color Rendering Index (CRI)
95.1
Ultraviolet
Transmittance UV (τuv)
7.9 %
Solar Energy
Solar transmittance (τe)
12.6 %
Reflectance outside (ρe)
17.1 %
Reflectance inside (ρe)
31.3 %
Solar absorptance (αe)
70.2 %
Solar Factor (g)
16.8 %
Shading Coefficient (sc)
0.19
Secondary Heat Transfer (qi)
4.2
Thermal properties
U-Value (Ug)
1.1 W/m²·K
Embodied Co<sub>2</sub>
[eq. kg/m²] A1-A3
32.88
Performance Calculations
With the performance calculator, you can quickly calculate the performance data that matches 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

For more details on the performance values displayed and Embodied CO2 please <a href="https://www.guardianglass.com/us/en/tools-and-resources/resources/performance-value-terms" target="_blank">click here</a>

Need further technical support? Get in contact

There is something wrong with your selection

Performance Data is not currently available for this glass make-up, please launch a new simulation or go to Glass Analytics to configure performance data for your required glass make-up.

Submission failed due to a error, please try again
This tool is unavailable on this device

Access our website on a bigger device to be able to use our comparison tool.

Can’t find the glass make-up you are looking for? Go to Glass Analytics for more detailed configurations: