SunGuard® High Performance

Neutral 40

Vitra is an iconic residential project in the heart of the city São Paulo. The building is covered in SunGuard Royal Blue 40 solar control glass and is also Leed and Aqua certified.

Versatile design options without compromise

SunGuard Neutral 40 coated glass combines excellent solar control, thermal insulation and a variety of manufacturing options in one. With a neutral gray/silver reflected appearance on clear glass, Neutral 40 coated glass offers flexibility to create unique designs without compromising performance.

Key features:

Neutral, slightly reflective aesthetic: Creates a sophisticated look with available matching spandrel
Flexible options: Can be laminated, tempered, heat-strengthened, curved and more
Medium visible light transmission and low heat gain: Helps save energy

Request Neutral 40 sample

Product Downloads:

Neutral 40 Flyer Sunguard Brochure Neutral 40 Case Study: C.S. Mott Children's Hospital Building Information Modeling (BIM)

CSI 3-Part Specifications:

Download Neutral 40 Spec

Product Information

Applications

  • Facades
  • Windows
  • Doors
  • Curtain Walls
  • Roofs
  • Skylights

Manufacturing Options

  • Tempered
  • Laminated
  • Heat Soaked
  • Bent
  • Heat Strengthened
  • Annealed

Float Glass Substrates

  • Clear (6-10 mm)
  • Green (6 mm)

Recommended coating positions

  • Double glazed: #2 surface
  • Triple Glazed: #2 surface

Product Color Swatches

Transmitted Color - the appearance when looking through glass in daylight.

Clear (6-10 mm)

Green (6 mm)

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.

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.

Launch Glass Visualizer

*Intended to represent the reflected/transmitted color on clear; however, glass color cannot be accurately portrayed online. Please see color disclaimer at bottom of the page.
For more information and additional mockups visit the full Glass Visualizer.

Performance Data

  • TRANSMITTANCE

    1. Visible Light 40%
    2. Ultraviolet 27%
    3. Solar Energy 25%
    4. Light to Solar Gain (LSG) 1.25
  • Reflectance [%]

    1. Visible Light Outside 21%
    2. Visible Light Inside 12%
    3. Solar Energy Outside 23%
  • U-VALUE

    1. Winter Nighttime - Argon(90%) 0.29
    2. Winter Nighttime - Air 0.33
    3. Summer Daytime - Air 0.33
  • Heat Gain

    1. Relative Heat Gain (RHG) 78
    2. Solar Heat Gain Coefficient (SHGC) 0.32
  • Composition

    1. IG 6 mm/12.7 mm/6 mm - Coating on surface #2
    2. Outboard lite SunGuard Neutral 40 on Clear
    3. Inboard lite Guardian Float Clear
    4. Calculation Standard NFRC-2010
  • TRANSMITTANCE

    1. Visible Light 34%
    2. Ultraviolet 11%
    3. Solar Energy 16%
    4. Light to Solar Gain (LSG) 1.40
  • Reflectance [%]

    1. Visible Light Outside 16%
    2. Visible Light Inside 12%
    3. Solar Energy Outside 10%
  • U-VALUE

    1. Winter Nighttime - Argon(90%) 0.29
    2. Winter Nighttime - Air 0.33
    3. Summer Daytime - Air 0.33
  • Heat Gain

    1. Relative Heat Gain (RHG) 59
    2. Solar Heat Gain Coefficient (SHGC) 0.24
  • Composition

    1. IG 6 mm/12.7 mm/6 mm - Coating on surface #2
    2. Outboard lite SunGuard Neutral 40 on Green
    3. Inboard lite Guardian Float Clear
    4. Calculation Standard NFRC-2010

Displayed colors are intended to represent actual color. Color is a function of light and reflectivity and cannot be accurately portrayed online. Actual glass samples should be used to determine color. Please order a sample and discuss color with your Guardian Architectural Design Manager to ensure you are pleased with your SunGuard selection before ordering glass for your project.