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SunGuard IS 20 on Clear

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SunGuard® IS 20

SunGuard IS 20

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Boost window performance to meet energy codes

An add-on interior coating to the fourth surface, SunGuard IS-20 coated commercial glass helps prevent heat loss in the north and reduce cooling costs in the south for ideal energy savings. This coating is durable and easy to maintain, making it an excellent choice for long-range service.

Product information

Substrates
  • Guardian UltraClear 6-10 mm
  • Clear Float 5-10 mm
Applications
  • Windows
  • Skylights
  • Facades
  • Roof window
  • Curtain walls
  • Doors
Manufacturing Options
  • Heat Strengthened
  • Heat Soaked
  • Tempered
  • Bent
  • Laminated
Recommended Coating Positions
  • Surface 6 (triple IGU)
Maximum Size
  • 102"x144"
Edge Deletion
  • No
Glass Type
  • Low E
Glass Functions
  • Thermal insulation
Fabrication Options
  • Can be used Monolithic
  • Can be in an Insulating Glass Unit
Appearance
  • Clear
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.

Monolithic

pim/components/structure/pim-mono

GLASS: Guardian Clear Glass (North America) Glass, 1/4" (6mm) (2-SunGuard® IS 20 Interior Surface LE (North America))

Calculated Values are in accordance with NFRC2010

Performance Values

Visible Light
Transmittance (τv)
87 %
Reflectance outside (ρv)
9 %
Reflectance inside (ρv)
9 %
General Color Rendering Index (CRI)
98.5
Ultraviolet
Transmittance UV (τuv)
63 %
Solar Energy
Solar transmittance (τe)
73 %
Reflectance outside (ρe)
9 %
Reflectance inside (ρe)
9 %
Solar absorptance (αe)
17 %
Solar Heat Gain Coefficient (SHGC)
0.76
Shading Coefficient (sc)
0.88
Thermal properties
Winter night U-Value
0.667 Btu/hr·ft²·F
Summer day U-value
0.523 Btu/hr·ft²·F
Light to Solar Gain
Light to Solar Gain (LSG)
1.14
Embodied Co<sub>2</sub>
[eq. kg/m²] A1-A3
18.81

Double Glazed

pim/components/structure/pim-double

GLASS: Guardian Clear Glass (North America) Glass, 1/4" (6mm)

GAP: 100% Air 12.7mm

GLASS: Guardian Clear Glass (North America) Glass, 1/4" (6mm) (4-SunGuard® IS 20 Interior Surface LE (North America))

Calculated Values are in accordance with NFRC2010

Performance Values

Visible Light
Transmittance (τv)
78 %
Reflectance outside (ρv)
16 %
Reflectance inside (ρv)
16 %
General Color Rendering Index (CRI)
96.9
Ultraviolet
Transmittance UV (τuv)
48 %
Solar Energy
Solar transmittance (τe)
61 %
Reflectance outside (ρe)
14 %
Reflectance inside (ρe)
14 %
Solar absorptance (αe)
25 %
Solar Heat Gain Coefficient (SHGC)
0.68
Shading Coefficient (sc)
0.79
Thermal properties
Winter night U-Value
0.361 Btu/hr·ft²·F
Summer day U-value
0.345 Btu/hr·ft²·F
Light to Solar Gain
Light to Solar Gain (LSG)
1.15
Embodied Co<sub>2</sub>
[eq. kg/m²] A1-A3
34.31
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>

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