ClimaGuard® Residential Glass Innovation

ClimaGuard 70/36

Winter. Spring. Summer. Fall. Four reasons to pick 70/36.

Maintaining a comfortable indoor environment is a challenge when temperatures fluctuate, sometimes dramatically, throughout the day, between seasons, and across climate zones. ClimaGuard 70/36 from Guardian Glass is designed for all seasons. It insulates in the winter, blocks heat in the summer and makes homes more comfortable and energy efficient all year long.

All-season comfort

Saves money on utility bills in the cooler and warmer months

Thermal insulation

50% more insulating than standard clear glass

Solar control

Blocks up to 40% more unwanted solar energy than dark-tinted float glass

Product Information

Applications

  • Windows
  • Doors
  • Skylights

Manufacturing Options

  • Tempered
  • Laminated
  • Heat Strengthened
  • Annealed

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

* Please see Color Disclaimer at the bottom of the page for additional information.

Performance Data

  • TRANSMITTANCE

    1. Visible Light 70%
    2. Ultraviolet 25%
    3. Solar Energy 36%
    4. Light to Solar Gain (LSG) 1.82
  • Reflectance

    1. Visible Light Outside 11%
    2. Visible Light Inside 13%
    3. Solar Energy Outside 38%
  • U-VALUE

    1. Winter Nighttime - Argon(90%) 0.25
    2. Winter Nighttime - Air 0.29
    3. Summer Daytime - Air 0.28
  • Heat Gain

    1. Relative Heat Gain (RHG) 92
    2. Solar Heat Gain Coefficient (SHGC) 0.39
  • Composition

    1. IG 3 mm/12.7 mm/3 mm - Coating on surface #2
    2. Outboard lite ClimaGuard 70/36(#2)
    3. Inboard lite Guardian Float Clear
    4. Calculation Standard NFRC-2010
  • TRANSMITTANCE

    1. Visible Light 55%
    2. Ultraviolet 10%
    3. Solar Energy 24%
    4. Light to Solar Gain (LSG) 1.66
  • Reflectance

    1. Visible Light Outside 14%
    2. Visible Light Inside 14%
    3. Solar Energy Outside 40%
  • U-VALUE

    1. Winter Nighttime - Argon(90%) 0.17
    2. Winter Nighttime - Air 0.22
    3. Summer Daytime - Air 0.23
  • Heat Gain

    1. Relative Heat Gain (RHG) 79
    2. Solar Heat Gain Coefficient (SHGC) 0.33
  • Composition

    1. IG 3 mm/7.9 mm/3 mm/7.9 mm/3 mm - Coating on surface #2 and #5
    2. Outboard lite ClimaGuard 70/36(#2)
    3. Inboard lite Guardian Float Clear
    4. Calculation Standard NFRC-2010
  • TRANSMITTANCE

    1. Visible Light 55%
    2. Ultraviolet 10%
    3. Solar Energy 24%
    4. Light to Solar Gain (LSG) 1.66
  • Reflectance

    1. Visible Light Outside 14%
    2. Visible Light Inside 14%
    3. Solar Energy Outside 40%
  • U-VALUE

    1. Winter Nighttime - Argon(90%) 0.12
    2. Winter Nighttime - Air 0.16
    3. Summer Daytime - Air 0.16
  • Heat Gain

    1. Relative Heat Gain (RHG) 78
    2. Solar Heat Gain Coefficient (SHGC) 0.33
  • Composition

    1. IG 3 mm/12.7 mm/3 mm/12.7 mm/3 mm - Coating on surface #2 and #5
    2. Outboard lite ClimaGuard 70/36(#2)
    3. Inboard lite Guardian Float Clear
    4. Calculation Standard NFRC-2010
  • TRANSMITTANCE

    1. Visible Light 68%
    2. Ultraviolet 23%
    3. Solar Energy 34%
    4. Light to Solar Gain (LSG) 1.82
  • Reflectance

    1. Visible Light Outside 12%
    2. Visible Light Inside 13%
    3. Solar Energy Outside 38%
  • U-VALUE

    1. Winter Nighttime - Argon(90%) 0.20
    2. Winter Nighttime - Air 0.24
    3. Summer Daytime - Air 0.22
  • Heat Gain

    1. Relative Heat Gain (RHG) 89
    2. Solar Heat Gain Coefficient (SHGC) 0.37
  • Composition

    1. IG 3 mm/12.7 mm/3 mm - Coating on surface #2 and #4
    2. Outboard lite ClimaGuard 70/36(#2)
    3. Inboard lite ClimaGuard IS-20(#4)
    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.

The thermal stress guideline is only a rough guide to the thermal safety of a glazing. Other factors such as large glass areas, shapes and patterns, thick glass, glass damaged during shipping, handling or installation, orientation of the building, exterior shading, overhangs/fins that reduce wind speed, and areas with high daily temperature fluctuations can all increase the probability of thermal breakage. The results shown are not for any specific glazing installation and do not constitute a warranty against glass breakage.