SunGuard® Interior-Surface Coating Glass - SunGuard IS 20

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

• Clear Float/3.2-10 mm
• UltraClear/6-10 mm

Applications

• Facades
• Windows
• Doors
• Curtain Walls
• Skylights

Manufacturing Options

• Tempered
• Laminated (not embedded)
• Bent

Recommended Coating Positions

• Double glazed: #4 surface,
• Triple Glazed: #6 surface

Maximum Size

• <96"x144" (2438x3657mm)

Edge Deletion

• No

Glass Type

• Low E

Glass Functions

• U-Value Benefit

Fabrication Options

• Can be used Monolithic or in Insulating Glass Units

Appearance

• Clear

Product Specification

Product: SunGuard® Interior-Surface Coating - SunGuard IS 20

Coating: SunGuard IS 20
Glass Surface Coating Position: Double glazed: #4 surface,Triple Glazed: #6 surface
Glass Substrate: Clear Float,UltraClear
Available Thicknesses: Clear Float : 3.2-10 mm,UltraClear : 6-10 mm
Max. Available Size: <96"x144" (2438x3657mm)
Manufacturing Options: Tempered, Laminated (not embedded), Bent

Key Features

• 87% Visible Light Transmittance
• 0.79 Solar Heat Gain Coefficient
• ENERGY STAR & Northern Climate Zones
• Supplemental Inner Surface Coating

Glass Make-up :DoubleGlazed

GLASS: Guardian Clear Glass (North America) Glass, 1/4" (6mm)
GAP: 10% Air, 90% Argon 12.7mm
GLASS: Guardian Clear Glass (North America) Glass, 1/4" (6mm) (4-SunGuard® IS 20 Interior Surface LE (North America))

Performance Values

Visible Light

• Transmittance (τv) 78 %
• Reflectance outside (ρv) 16 %
• Reflectance inside (ρv) 16 %
• Colour Rendering Index (Ra) 96.9

Ultraviolet

• Transmittance UV(τuv) 49 %

Solar Energy

• Solar transmittance(τe) 61 %
• Reflectance outside (ρe) 14 %
• Solar Heat Gain Coefficient (SHGC) 0.68

Thermal Properties

• U-Value (Winter Night) 0.344 Btu/hr·ft²·F
• U-Value (Summer Day) 0.334 Btu/hr·ft²·F

Calculated Values are in accordance with NFRC 2010
Manufacturer: Guardian Glass
Global and North American Headquarters
2300 Harmon Road
Auburn Hills, MI 48326
United States
Web: www.guardinglass.com
Tel: +1 248-340-1800
Email: guardianglass@guardian.com

Acoustic data: All acoustic data for your glazing configuration can be found at Glass Analytics

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