By Joshua Lieberman

Just about every building has windows and, in time, these windows will get dirty and need to be cleaned. There are various ways to accomplish this task. Here are a few of the methods employed by commercial window cleaning companies to do this.

For every window-cleaning job, the choice of equipment to be used will first be determined by the height of the building, the site conditions and the amount of work to be accomplished. As a rule, the safest and less complicated way is the best way. This could mean accessing the windows from the inside of the building, alleviating the need for equipment required to reach extensive heights.

The most popular method for reaching high windows in a residential job is the tried and true extension ladder. Other equipment required for this job will be a good squeegee (commercial grade), a bucket to hold water and the cleaning agent, a scrubber, a sponge and some lint free towels (micro-fiber works best). While dish soap is most often used as the cleaner, there are better options available that don't leave behind a residue. Vinegar can also be added to the water to reduce streaks.

Extension ladders are a good means of accessing higher windows but are only appropriate to about three stories. Taller buildings will require some other method of reaching the upper windows. Rope access is a popular way of achieving this, using a configuration called a 'cradle' or a 'bosun's chair'. This is also the method used to suspend someone working on the side of a ship or boat but works just as well for window cleaners.

A tool called a water fed pole (WFP) has become very popular lately for use in window washing. These telescopic poles, hooked up to a pressurized water source, can reach windows as much as 70 feet high. The use of purified water makes for a very good cleaning solution with no residue left behind. This is also a safe way of accessing high windows.

Although many governments have protective guidelines and regulations in place regarding window cleaning operations, these regulations are commonly not enforced. The window cleaning profession is considered one of the most dangerous occupations in the UK. Each year, more than a few deaths occur from accidents involving those engaged in this job.

Those suspending themselves from tall buildings on ropes or scaffolds should certainly receive proper and applicable training prior to ascending the exterior of multi-story buildings. There's no question that safer is better. With technological advancements, the methods employed by commercial window cleaning companies are, in fact, becoming both easier and safer. There's still room for improvement.

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