A window on the world

As more skyscrapers dominate our cities, consider for a moment the window cleaning requirements of a building like Kuala Lumpur’s Petronas Towers. It is fitted with 32,000 windows and, as one of the highest buildings in the world, the challenge of keeping them clean is a daunting one.

It’s not just about aesthetics; debris and dirt on windows can etch the glass and cause irreversible damage. Regular cleaning is imperative to protect the glass from degradation and maximise its longevity.

So, how often should windows be cleaned? Generally, the frequency depends on factors such as the building’s