While the Glass Defender Series is extremely durable, and can withstand common window cleaning detergents, soaps and chemicals, not every cleaning material has been tested in order to confirm compatability with the protective treatment.
Scumfrees Professional Window Cleaning Concentrate is specifically designed to clean windows without damaging the Glass Defender protective treatment. Additionally, Scumfrees dries to a powder, and in the event that any material is left on the building, it will not not attract stain forming minerals or environmental contaminates. This white powder that can be seen from from the ground to better help with quality control, and ensure window cleaning technicians remove all of the material from the architectural surfaces surrounding the windows.
View Before & After Photos