Tips Sahabat

How Long Can Car Glass Coating Last with the Seasonal Conditions in Indonesia?

09 April 2025
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Coating is an action to provide additional protection to car windows with a certain layer. However, considering the unpredictable weather in Indonesia, how long does window coating last?

This kind of thing must be carefully considered, because coating is temporary, not permanent. Once again, coating is just a layer, so it has a maximum limit of protection.

Reasons and Estimates of How Long Window Coating Lasts

Therefore, drivers who wish to apply a coating layer to their beloved car windows must know the estimated duration. This way, there will be no misunderstandings after application.

Reasons for Needing Window Coating

Applying a layer to the glass or coating is not just for style. It also prevents the glass from mold that often appears with rainwater.

In addition to containing dust, rainwater also has several minerals, one of which is salt. If this condition is left to dry, the minerals will trigger mold growth.

This is what causes the glass to become cloudy, significantly reducing visibility. Not only does it reduce comfort and appearance, but it also poses a great danger to drivers.

During rain, water cannot slide off immediately, causing the driver's view to be obstructed. Meanwhile, when light reflects off the glass, it becomes distorted.

How Window Coating Works

Therefore, coating is the right step to protect the glass from mold and dirt. This is because coating has a hydrophobic effect, which is the property of a material's molecules to avoid or repel water.

Simply put, this effect can be likened to a taro leaf that allows water to flow without leaving a trace. Thus, rainwater that hits the glass will slide off immediately, preventing mold formation.

The way coating works is by sealing the pores, so dust, dirt, and water cannot settle inside. As a result, the glass remains clean, shiny, mold-free, and functions optimally.

How Long Does Window Coating Last?

As mentioned above, coating is only temporary, not permanent. According to automotive experts, in Indonesia, coating lasts at most between 6 months to one year.

Moreover, Indonesia has a tropical climate with two seasons, namely rainy and dry. During the rainy season, almost every day the car windows will be splashed or even drenched with rainwater.

Conversely, in the dry season, dust and pollution become the loyal companions of the beloved car. This condition ultimately causes the lifespan of the coating to be shorter.

The use of wipers to clear rainwater will gradually scrape and wear down the coating layer. Likewise, high temperatures can oxidize the coating surface, causing the layer to disappear.

Window Coating and Car Body Coating are Different

If someone says that coating can last for years, then there are two possibilities. First, the driver removes the wipers, and the second possibility is that the vehicle is rarely used.

The fact is, the coating on the glass and the car body is not the same. The hardness or level of hardness of the glass coating layer is only around 4-5H, while on the body it can reach up to 9H.

The two cannot be equated because glass is more susceptible to damage and cannot withstand weight. If forced to use a coating of up to 9H, the glass could crack or even break.

Moreover, too high a hardness on glass can cause distortion when exposed to light. This is quite dangerous, especially at night because visibility will become fragmented or blurry.

Therefore, it is better to take a little time to care for the glass coating. For re-coating, you can leave it to the experts or click the following link.

Now the question about how long window coating lasts, especially for the climate in Indonesia, has been answered. Immediately check again when the layer starts to wear off and visibility becomes cloudy.

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