There are many different types of glass used for window applications and some are “clearly” better than others. Standard glass contains a level of iron oxide that gives the glass a greenish hue. For those who desire the most impeccably clear glass on the market, Grabill Windows and Doors has the perfect solution. Low-iron glass….. allowing for astonishingly clear, flawless glass in any of our custom products. For more information visit us online or call us directly at 810-798-2817.