If they do not use drying cloths they will squeegee the windows dry.
Commercial window washing solution.
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Cleaning the inside of windows fill a bucket or large pot with clean cool water and add a few drops of liquid dish soap.
If the company dries your windows they will use the special clothes that are lint free so as not to leave any streaks or water spots on your newly cleaned windows.
Use a clean microfiber cloth or sponge to go over the surface of the window starting at the top and working down.
Glassmaster glass master pro glass cleaning tool 3 pack replacement home glass mirror cleaning or auto detail glass cleaning bonnets blue all purpose 4 1 out of 5 stars 2 8 95 9 00.
Unger stingray glass cleaning system cleans windows 25 faster and use 39 less chemicals than traditional cloth window cleaning.
Professional window washing supplies remove contaminants including acid rain hard minerals and mildew before they cause permanent damage.
The last step in window cleaning is to clean the window sill with a special sill brush and rinse it.