What is Cardinal LoE glass?

The Clear Choice

Among the many glass products on the market, Cardinal LoE is the one clear choice. With their patented coatings and superior energy ratings, Cardinal LoE delivers the clearest, highest performing glass available today. From cold winter nights to hot summer days, you will enjoy viewing the great outdoors from the year-round, energy efficient comfort of your home. And, because Cardinal LoE glass blocks most of the sun's damaging ultraviolet rays, it will help your curtains, carpets, furniture and wall coverings stay beautiful for years to come.

Year-Round Savings

Although windows provide beautiful views and wonderful natural light, they can also account for up to 30 percent of the annual energy consumed in a home. Cardinal LoE glass is designed to provide you with year-round savings and comfort by optimizing both the sun's heat and your home's heating and cooling systems. In the summer, LoE keeps your home cool and comfortable by rejecting the sun's heat and damaging rays. In the winter, Cardinal LoE glass helps your home stay warm and cozy by reflecting heat back into the room.

State-of-the-Art Process

In Cardinal's state-of-the-art sputter coating process, the glass is first coated with microscopically thin, optically transparent layers of silver sandwiched between layers of anti-reflective metal oxide coatings. A protective coating layer is then applied to ensure durability and scratch-resistance for long life. These invisible coatings provide the best clarity and performance of all low and mid-emmisivity glass products.

Visible Benefits; Invisible Coatings

Cardinal's LoE patented coating blocks 84 percent of the sun's harmful ultraviolet rays and delivers a 96 percent performance improvement in winter nighttime insulation (R-value) compared to non-coated air-filled insulated glass. However, it is virtually invisible to the eye - just like looking through clear glass. In fact, Cardinal LoE is the clearest, highest performing glass you can buy - no haze or bluish cast to mar your view like some lower performing products. Cardinal LoE glass even outperforms the tinted glass often used in warm sunny climates. You see out and the sun shines in, with no heavy bronze or smoke-colored tints to darken the personality of your home.

Product Performance

Product Visible Light Transmission % Ultraviolet Light Transmission % Winter U-Value Solar Heat Gain Coeff.
Clear Insulating Glass 82 58 0.49 0.78
Pyrolytic Mid-E 75 47 0.30 0.72
LoE Insulating Glass 72 16 0.25 0.41

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