Glass Inspection

Low E, VLT, and glass performance describe different characteristics of a window. Low E refers to a low emissivity coating designed to influence radiant heat transfer through glazing. VLT, or Visible Light Transmission, describes how much visible...

Why Identifying Low E Glass Matters One of the easiest ways to make the wrong recommendation is to assume you know what type of glass is installed. Two windows may look identical. Both may appear clear. Both may have similar reflectivity. Yet one could have a Low E coating while the other does not. ...

Let’s cut to the chase: If you’re in the window or glass game and you're not using EDTM’s tools, you’re leaving money and reputation on the table. Accuracy is everything. One wrong measurement and BAM, you’re redoing an entire install, eating up time, money, and your client’s trust. That’s where EDTM’s Low-E ...

When it comes to producing, installing, or inspecting architectural glass, precision is non-negotiable. Inaccurate assumptions about glass thickness, airspace, or Low-E coatings can lead to performance failures, warranty issues, and failed inspections. That’s why leading professionals rely on EDTM’s suite ...