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Why Is Your Window Rubber Seal Melting? Causes and Repair Solutions in Singapore

Why Is Your Window Rubber Seal Melting? Causes and Repair Solutions in Singapore

Windows are one of the most essential components of any home, providing light, ventilation, and protection from the elements. However, when your window rubber seals (also known as gaskets) start to melt, it becomes more than just an aesthetic problem—it can affect your home’s energy efficiency and lead to bigger structural issues. Understanding the causes of melting window rubber seals and knowing how to fix them is crucial for keeping your windows functioning properly.

If you’re dealing with melting window seals in Singapore, read on to discover the potential reasons behind the issue and how you can get it repaired professionally.

Melting window rubber gasket or seal

What Causes Window Rubber Seals to Melt?

There are several reasons why window gaskets can melt, leading to deformation and potential leaks. These include:

1. Prolonged Exposure to Heat

Singapore’s tropical climate brings constant heat and high humidity, both of which can take a toll on window rubber seals. The intense sunlight can cause the rubber to weaken and melt over time, especially if the windows face direct sunlight for extended periods and the window is kept it close at day time.

Rubber is particularly susceptible to UV rays, which degrade the material, making it brittle and prone to melting. The combination of Singapore’s hot weather and high UV index accelerates the degradation of the rubber.

2. Poor Quality Materials

Low-quality rubber seals are more likely to deteriorate and melt under stress. Some manufacturers may cut corners by using cheaper materials that aren’t designed to withstand prolonged exposure to heat and moisture. When such poor-quality seals are installed, they quickly break down, leading to melting, leaks, and drafts.

3. Chemical Exposure

Certain cleaning agents can cause rubber gaskets to melt or degrade. Harsh chemicals used during cleaning, especially those containing solvents or strong acids, can damage the rubber seal, making it sticky or causing it to lose its shape. Homeowners often unknowingly expose their window seals to these harmful substances while cleaning.

4. Aging and Wear

Even high-quality rubber gaskets eventually wear out over time. The natural aging process, combined with Singapore’s humid and hot environment, can cause the rubber to lose its flexibility, leading to cracks and melting. This is especially common in older homes that have had the same windows for decades.

5. Installation Errors

Poor installation practices can also lead to problems with your window gaskets. If the seals are not fitted correctly or if the wrong type of seal is used, the rubber might be exposed to undue stress, causing it to melt or deteriorate faster.


What Are the Repair Solutions for Melting Window Rubber Seals?

If you notice that your window rubber seals are melting, it’s essential to address the issue immediately to prevent further damage. Here are some effective solutions:

1. Rubber Seal Replacement

The most straightforward and effective solution for a melted or damaged rubber seal is replacement. Professional installers will remove the old, melted seal and replace it with a new, high-quality gasket designed to withstand Singapore’s tropical climate.

Using weather-resistant and UV-resistant rubber for the replacement ensures the seal will last much longer and perform better against the elements. Getting the replacement done by a trusted service provider like 9reno guarantees proper fitting and durability.

2. Window Frame Inspection

While the gasket may be the visible part of the problem, it’s important to inspect the entire window frame for any underlying issues. Warped or damaged window frames can contribute to seal problems, so a professional inspection is recommended to ensure the entire window unit is in good condition.

3. Seal Conditioning Treatments

For minor melting issues, conditioning the rubber seals with special treatments may help extend their life. There are rubber seal conditioners available that help soften and rehydrate the rubber, slowing down the melting or cracking process. However, this is more of a temporary solution and may not be effective for heavily damaged seals.

4. UV Film Installation

To prevent future occurrences, you can consider installing UV-blocking window films. These films reduce the amount of heat and UV light that enters through your windows, significantly slowing down the degradation of rubber gaskets. They can also improve the overall energy efficiency of your home by keeping indoor temperatures cooler.

5. Regular Maintenance

Prevention is always better than cure. Regularly maintaining your windows by cleaning the seals with mild, non-corrosive cleaning agents and inspecting for early signs of wear will help prolong the life of the gaskets. Scheduling annual window inspections can help catch problems before they escalate.

Window facing west sun

How 9reno Can Help Replace Melting Window Gaskets in Singapore

If you’re experiencing issues with melted window rubber seals, 9reno is here to help. We specialize in replacing damaged window seals and gaskets with high-quality materials that are built to last in Singapore’s challenging climate. Our team of experts will ensure that your windows are restored to optimal performance, preventing leaks, drafts, and further damage to your home.

Don’t let a small problem escalate into a major repair. Contact 9reno today for professional assistance with your window seal issues in Singapore.


Need help for your window ? 9reno

At 9reno, we provide quick and efficient service for replacing window rubber seals that have melted or worn out. Don’t wait until a small issue becomes a costly repair—contact us now for professional window gasket replacement and repair services across Singapore. Let our experienced team bring your windows back to full functionality!


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