If you have ever stood near a window during peak summer or monsoon season and felt hot air, moisture, or outside noise creeping in, the problem is usually not the glass. In most cases, it is the window seals . Across residential and commercial buildings in India, old and poorly designed window seals are a major reason for discomfort, higher energy use, and maintenance issues. This is where uPVC sealing and a properly designed window PVC profile make a real difference. Builders, fabricators, and renovation contractors are now replacing traditional sealing methods with uPVC profiles to solve these long-standing problems in a more reliable way. Why Window Seals Fail Over Time Window seals are exposed to constant stress. Heat, dust, rain, and pollution slowly reduce their performance. In India, extreme weather conditions speed up this process. Common reasons window seals fail include: Continuous exposure to sunlight and heat Poor material quality used in older installations I...