Window Glass Options



























Specialty Glass Options




- Toughened or strong glass similar to that used in automobile windshields
- Used where injuries from broken glass are a concern
- Usually shatters into small, square fragments instead of sharp shards when broken
- Has no polymer interlayer to hold it together like laminated glass, so glass does fall apart
- Low-E insulating glass with a textured surface
- Lets the sun shine in while obscuring the view
- Ideal for bathrooms or bedrooms
- Polymer interlayer that holds the glass together if it’s shattered
- Provides added protection from intruders
- Reduces outside noise
- Helps block the sun’s rays
- Keeps rooms that get direct sun cooler









Cardinal Loe2-270 Glass
Cardinal LoDz-270 is very similar to our LoDz-272® glass, only with slightly more solar control, while LoDz-272 offers a little more light transmittance.
Solar control for just about the coolest windows under the sun.
Frigid outside, cozy inside.
Inside glass and outside temperatures.
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INSIDE GLASS AND OUTSIDE TEMPERATURES
- Single-pane, clear
- Double-pane, clear
- Ordinary low-e (air fill)
- LoDz – 270 (air fill)
- LoDz – 270 (argon fill)
- Outside temp -20°F (-30°C)
- 0°F (-19°C)
- 37°F (2°C)
- 46°F (7°C)
- 49°F (9°C)
- 52°F (10°C)
- Outside temp +20°F (-10°C)
- 31°F (-3°C)
- 51°F (9°C)
- 57°F (13°C)
- 58°F (14°C)
- 60°F (15°C)
Save energy with glass so smart, it can control your comfort.

Savings values are average of multiple locations within climate zone.
“Average” house as described in the Buildings Data Book The model house is described as a mid-1970’s single-story dwelling with natural gas furnace, central air-conditioning, adequate insulation, and double-pane windows.
Window orientation set as uniformly distributed on all sides to represent a neighborhood average and the total window area set to 15% of the floor area.
Interior shading devices are presumed to be closed 50% of the time throughout the year.
“Fixed Thermostat” conditions are 70°F for heating and 75°F for cooling.
“Equal Comfort” thermostat settings determined using window thermal comfort research from the University of California at Berkeley The existing double-pane windows used heat/cool thermostat setpoints of 72°F/74°F to match the comfort of LoDz-270 glass at 70°F/78°F.
House heat/cool energy simulations used the Resfen program from Lawrence Berkeley National Lab
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Glass
Performance - Single-pane, clear
- Double-pane, clear
- Ordinary low-e
- LoDz – 270
- Visible Light
Transmittance - 90%
- 82%
- 76%
- 70%
- Solar Heat Gain
Coefficient - 0.86
- 0.78
- 0.72
- 0.37
- Winter U-Factor
(Air / Argon ) - 1.04 / —
- 0.48 / —
- 0.34 / 0.30
- 0.30 / 0.25
- UV
- 0.71
- 0.58
- 0.50
- 0.14
- Fading
Transmission - 0.84
- 0.75
- 0.68
- 0.53
Solar Heat Gain Coefficient – (SHGC) – The amount of solar radiation that enters a building as heat. The lower the number, the better the glazing is at preventing solar gain.
Fading Transmission – The portion of energy transmitted in a spectral region from 300 to 600 nanometers. This region includes all of the ultraviolet energy and part of the visible spectrum, and will give the best representation of relative fading rates. The lower the number, the better the glass is for reducing fading potential of carpets and interior furnishings.
U-Factor – This represents the heat flow rate through a window expressed in BTU/hr·ft²·°F, using winter night weather conditions of 0°F outside and 70°F inside. The smaller the number, the better the window system is at reducing heat loss.
Cardinal actively supports and participates in the National Fenestration Rating Council (NFRC). Windows with Lodz-366 that are rated and certified by the NFRC can comply with Energy Star™ requirements in all regions of the country. Northern zone will likely require the addition of LoĒ-i89 on the 4th surface to comply with U-Factor requirements.
The difference is clear.
LoDz-270 can be purchased in hurricane-resistant laminated glass in a variety of shapes and sizes.

Cardinal Loe2-366 Glass
Beats the heat. Keeps the view.
It’s the perfect cold remedy, too.
Inside glass and outside temperatures.
Three layers of silver make the clear difference.
You’re always in season with Lodz-366 glass.
ENERGY STAR, everywhere.

-
Glass
Performance - Single-pane, clear
- Double-pane, clear
- Ordinary low-e
- Lodz – 366
- Visible Light
Transmittance - 90%
- 82%
- 76%
- 65%
- Solar Heat Gain
Coefficient - 0.86
- 0.78
- 0.72
- 0.27
- Winter U-Factor
(Air / Argon ) - 1.04 / —
- 0.48 / —
- 0.34 / 0.30
- 0.29 / 0.24
- UV
- 0.71
- 0.58
- 0.50
- 0.05
- Fading
Transmission - 0.84
- 0.75
- 0.68
- 0.43
Solar Heat Gain Coefficient – (SHGC) – The amount of solar radiation that enters a building as heat. The lower the number, the better the glazing is at preventing solar gain.
Fading Transmission – The portion of energy transmitted in a spectral region from 300 to 600 nanometers. This region includes all of the ultraviolet energy and part of the visible spectrum, and will give the best representation of relative fading rates. The lower the number, the better the glass is for reducing fading potential of carpets and interior furnishings.
U-Factor – This represents the heat flow rate through a window expressed in BTU/hr·ft²·°F, using winter night weather conditions of 0°F outside and 70°F inside. The smaller the number, the better the window system is at reducing heat loss.
Cardinal actively supports and participates in the National Fenestration Rating Council (NFRC). Windows with Lodz-366 that are rated and certified by the NFRC can comply with Energy Star™ requirements in all regions of the country. Northern zone will likely require the addition of LoĒ-i89 on the 4th surface to comply with U-Factor requirements.
