Classic Exteriors Windows


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Ti-AC 23 Low-E glass

New Ti-AC 23 Low-E glass features the lowest Solar Heat Gain Coefficient (0.23) of any high-performance coating on clear-based glass. It maximizes a building’s energy efficiency while enhancing exterior aesthetics, letting in more natural light and improving glare control.

Ti-AC 23 is the perfect choice for commercial applications where comfort in the interior environment is as critical as the architectural statement made on the outside.


Ti-AC 23 Low-E glass blocks the sun’s hottest wavelengths better than any competitive product, with an SHGC of 0.23. Its ability to absorb the sun’s energy is a major contributor to reducing the energy costs associated with operating buildings in which the product is installed.


The Ti-AC 23 coating creates an aesthetically pleasing exterior blue-grey hue. This neutral, non-reflective appearance complements a spectrum of architectural designs — making Ti-AC 23 an attractive solution for virtually any commercial building application.


Ti-AC 23 Low-E glass also provides a high light-to-solar-gain ratio when applied to a clear substrate, enabling you to efficiently bring more natural light inside a building. The combination of low reflectance and excellent glare control gives Ti-AC 23 a neutral look that is simply unmatched—making it as beneficial to your project on the inside as it is on the outside.

WINDOWS: 101 Why Glass Is So Important


Nearly 65% of a window's surface area is made up of glass. That's why it's so important to choose windows that carry "insulated" glass units. "Insulated" glass is, in essence, a glass sandwich. And just like a good sandwich, it's what's in the middle that counts. That's why DuraSeal™ warm edge spacers can be found between the glass in every Classic Exteriors window. With its warm edge technology, DuraSeal™ sets a new standard for efficiency and performance. DuraSeal™ is the only proven product that has:

> Documented superior performance in the retention of Argon Gas
> The highest "R" value / lowest "U" value in the industry
> Compatibility with the highest performance Low-E glass


Bronze Glass:

More tint to reduce glare

Obscure Glass:

Privacy without shades or blinds. Perfect for bathrooms or dressing rooms.