Nanotech Surface Solutions specializes in the distribution of its own line of nanotechnology-based protective coatings and cleaning compounds for all types of substrates. These coatings extend cleaning and maintenance cycles making our clients save on costs associated with these processes. Rain Shield is an invisible and long-lasting nanotechnology-based protective coating for windshields which repels rain, mud & snow. Rain Shield improves visibility during rainy days increasing overall safety. Rain Shield also makes it easier to remove bug splatters. A 0.5 oz bottle is enough to cover a standard sedan’s windshield and protect it for 4 to 6 months.