
08/07/2025
Derubberlization: The Process That Saves Lives on the Runway
Do you know that when an aircraft lands, its tires don’t roll smoothly on the runway at first? Instead, they hit the ground with so much force and speed that they briefly slide before gaining full grip. This sliding creates a lot of heat and causes the rubber on the tires to melt slightly. That melted rubber sticks to the runway surface, leaving behind dark marks.
As more aircraft land every day, the rubber keeps building up on the runway. Over time, the rough texture of the runway surface gets covered with smooth rubber. When this happens, the runway starts losing its grip. This is very dangerous because aircraft rely on the friction between their tires and the runway to slow down and stop after landing. If there is not enough grip, the aircraft might skid, especially during rain or wet conditions.
This is why airports all over the world do something called derubberlization. It is the process of cleaning the rubber deposits off the runway to make it safe again.
The cleaning is done using a special machine called a runway rubber removal truck. This machine has powerful high-pressure water jets that spray water onto the runway to break up the rubber. It also has large vacuum hoses that suck up the loosened rubber and water. Sometimes, chemicals are added to help dissolve the rubber more effectively. After the process, the runway surface is back to its original rough texture, which helps aircraft tires grip the ground properly.
Derubberlization is not a one-time job. Airports schedule it regularly depending on how busy their runways are. Very busy airports might do it every few months, while others might do it once or twice a year.
Without derubberlization, runways would quickly become unsafe for landing aircraft. It is one of the unseen but very important activities that keep air travel safe for everyone. Next time you see those dark rubber streaks on a runway or see a special truck cleaning them off, you will know why it is so important.
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