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ClimaGuard 62/27

ClimaGuard®

ClimaGuard 62/27

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Balanced performance across climates

Guardian ClimaGuard 62/27 glass delivers the balanced solar control and visible light transmission needed to help provide year-round comfort, control heat and glare, and manage energy costs in almost any climate. An outstanding product to standardize on, ClimaGuard 62/27 glass is also available in a version that can be embedded in a laminated application to help enhance hurricane resistance in southern coastal regions.

ENERGY STAR® prescribes a set of NFRC-certified U-Factor and solar heat gain (SHGC) rating levels for windows that meet its performance criteria across U.S. climate zones. It also defines a set of “equivalent enery performance” criteria specifically for windows that may be similarly certified for the Northern Climate Zone.

Center-of-glass performance calculated according to NFRC-100 based on an energy efficient frame with argon fill and warm edge spacer (IS 20 interior surface coating), and dual pane glass thickness of 3 mm and triple pane of 2.3 mm.

Product information

Substrates

Clear Float 2.3 mm (3/32") - 5 mm (13/64")

Applications

Windows
Skylights
Doors

Manufacturing Options

Heat Strengthened
Heat Soaked
Annealed
Tempered
Laminated

Recommended Coating Positions

Double glazed: #2 or #3 surface
Triple Glazed: #2 and/or #5 surface

Maximum Size

<100"x144" (2540x3658mm)

Edge Deletion

Glass Type

Low E

Glass Functions

Solar control
Thermal insulation

Fabrication Options

Must be used in an Insulating Glass Unit

Appearance

Neutral

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Substrate

There is only one substrate available for this product

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Left sky conditions

Right sky conditions

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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.

Default Performance Data
Performance Calculations

Double Glazed
Triple Glazed

Double Glazed

GLASS: Guardian Clear Glass (North America) Glass, 1/8" (3mm) (2-ClimaGuard® 62/27 (North America))

GAP: 10% Air, 90% Argon 12.7mm

GLASS: Guardian Clear Glass (North America) Glass, 1/8" (3mm)

Calculated Values are in accordance with NFRC2010

Performance Values

Visible Light

Transmittance (τv)

61 %

Reflectance outside (ρv)

12 %

Reflectance inside (ρv)

14 %

General Color Rendering Index (CRI)

92.3

Ultraviolet

Transmittance UV (τuv)

7 %

Solar Energy

Solar transmittance (τe)

23 %

Reflectance outside (ρe)

45 %

Reflectance inside (ρe)

50 %

Solar absorptance (αe)

32 %

Solar Heat Gain Coefficient (SHGC)

0.26

Shading Coefficient (sc)

0.29

Thermal properties

Winter night U-Value

0.241 Btu/hr·ft²·F

Summer day U-value

0.212 Btu/hr·ft²·F

Light to Solar Gain

Light to Solar Gain (LSG)

2.39

Triple Glazed

GLASS: Guardian Clear Glass (North America) Glass, 1/8" (3mm) (2-ClimaGuard® 62/27 (North America))

GAP: 10% Air, 90% Argon 12.7mm

GLASS: Guardian Clear Glass (North America) Glass, 1/8" (3mm)

GAP: 10% Air, 90% Argon 12.7mm

GLASS: Guardian Clear Glass (North America) Glass, 1/8" (3mm)

Calculated Values are in accordance with NFRC2010

Performance Values

Visible Light

Transmittance (τv)

56 %

Reflectance outside (ρv)

15 %

Reflectance inside (ρv)

20 %

General Color Rendering Index (CRI)

91.6

Ultraviolet

Transmittance UV (τuv)

6 %

Solar Energy

Solar transmittance (τe)

21 %

Reflectance outside (ρe)

46 %

Reflectance inside (ρe)

46 %

Solar absorptance (αe)

33 %

Solar Heat Gain Coefficient (SHGC)

0.24

Shading Coefficient (sc)

0.27

Thermal properties

Winter night U-Value

0.182 Btu/hr·ft²·F

Summer day U-value

0.175 Btu/hr·ft²·F

Light to Solar Gain

Light to Solar Gain (LSG)

2.37

Performance Calculations

ClimaGuard®

ClimaGuard 62/27

Monolithic Not Laminated Monolithic Laminated Double Glazed Not Laminated Double Outer pane Laminated Double Inner pane Laminated Double Inner and Outer pane Laminated Triple Glazed Not Laminated Triple Outer pane Laminated Triple Inner pane Laminated Triple Inner and Outer pane Laminated

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

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Monolithic

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Double

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Triple

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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

Base glass *

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PVB interlayer thickness *

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Base glass *

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Base glass thickness *

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Glass thickness are symetrical and represent the glass to be laminated

Coating on surface 1 *

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Coating on surface 2 *

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Coating on surface 3 *

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Coating on surface 4 *

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Performance Values

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