By identifying not only the number of panes in a window, glass thickness, air space and overall window thickness, the Glass-Chek Elite also detects laminates. Knowing the type of window your installing film on provides endless value. Avoid thermal stress risk by getting a full picture of the windows construction including low-e coatings. this tool not only identifies the coating location but the type of coating it is so you can select the right film for your customers needs.