UPVC, also known as Unplasticised Polyvinyl Chloride, is a low-maintenance building material that can be used as a substitute for painted wood, mostly for window frames. Check the UPVC windows price and cost of installation in India. As UPVC is a highly durable material, it allows for the construction of doors and windows that are long-lasting. It is dust-proof, termite-proof, moisture, and weather-resistant. UPVC can also protect you and your loved ones from harmful UV rays of the sun.