Commercial window cleaning involves lots and lots of windows can take several weeks for one job to finish. The facts associated with commercial cleaning can be as interesting as the height of those skyscrapers.
Scaffolding started in 1952
Scaffolding is a commonly used apparatus, attached to the tall buildings for technicians to lower from the top. Scaffolding started back in 1952, and the first one was built to clean a building on Park Ave, New York.
It costs more than $6.25 to clean the windows of the tallest building
At 555 meters with 1,300,000 square feet of glass windows, Burj Khalifa in Dubai stands to be the tallest building in the world. Cleaning this mammoth costs a plethora of money.
Cleaning windows takes a while
Even in ideal weather conditions, some skyscrapers can take up to a whole month to get all their windows clean. It means the windows that were cleaned first will need to be cleaned again when the technicians finish the job.
Modern window cleaning systems are simple yet effective
It’s a system based on water-fed pole, that can pump water up to 60 feet onto the windows. The special treatment system removes positive and negative ions using reverse osmosis. Therefore, the water doesn’t contain any minerals and leaves the glass spotless, and smear-free once washed.
Some other tidbits
- In 1931 when most skyscrapers were in the early stages of construction, there were already more than 3,000 window cleaners
- Terry Burrows from the UK holds the Guinness World Record for cleaning 114.3cm x 114.3cm office windows in just 9 seconds, made at National Window Cleaning Competition, 2009
When glass breaks, its pieces travel at a speed of 3000 miles per hour