GlassTek Inc is the leading US-based direct manufacturer of Smart Film and Smart Glass and the only company in the US that offers direct factory installation services all across the US. Direct Manufacturer means lower prices with higher quality standards, faster turnaround times and local support. Smart Film and Smart Glass, also known as Switch Film and Switch Glass, provides controlled privacy instantly on a flip of a switch and is used in both residential and commercial applications. Wherever you want or need controlled switchable privacy, GlassTek's Smart Film or Smart Glass is your solution.