Chicago Window Expert Nobody knows more about windows.
  • Glass Consultant for Architects, Engineers and Building Owners

    Window glass is an important and complex subject. Yet glass is in nearly every building where it may perform well or maybe not so well. Architects, engineers and building owners face difficult challenges when confronted with deciding how to specify window glass for new construction, glass replacement or refurbishment. There are many choices to make.

    We provide the benefit of our 30 years of experience as a top window & glass contractor to these professionals and provide them with the information they need, such as:

    We help answer your questions about window glass, such as:

    • What “U-factor” should I specify?
    • What glass thickness will meet wind load?
    • What are the relative costs of different glass types?
    • What SHGC (Solar Heat Gain Coefficient) is right for my building?
    • Should I specify different performance for different elevations?
    • Should I use a pyrolytic or vacuum deposition Low-E coating?
    • What surface should the Low-E coating be applied to?
    • Should I use argon or krypton in the airspace?
    • Will my insulated glass need breather tubes?
    • Is there a way to repair fogged insulated glass?
    • Should I use a single seal or dual seal insulated unit?
    • What warm edge technology is the most reliable?
    • Where should I use safety glass?
    • Should I use safety glass in areas not required by code?
    • What type of safety glass should I use?
    • Are applied window films effective?
    • Is vacuum glass technology ready for use on my building?
    • Can I incorporate dynamically dimmable glass in my new windows?
    • Is PV (photovoltaic) ready to be incorporated into my design?
    • How can I make sure my glass is hurricane resistant?

    Read more…
    The Lowdown on Low-E Glass

    If you need a glass consultant…
    Contact Mark Meshulam at

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Photo of the day

After passing the static water test, we move on to the dynamic water test. Instead of pulling pressure from the chamber, we use an airplane engine to propel the water spray at the skylight. It makes a lot of noise and shakes the skylight. This test also runs for 15 minutes. Witnesses are inside the chamber during this test. For first-timers, it can be memorable having that propeller cranking away so close to you.