2019-05-24 Upvc profile window and door is more and more popular recent years. On the one hand, upvc windows and doors can be long lasting and deliver the same look and glaze for years without being affected even by physical factors. On the other hand, upvc windows and doors hardly require any maintenance. unlike the timber and other materials, upvc windows and doors do not need to be painted regularly and does not involve any further expensive maintenance. Just need simple cleaning. So upvc profile is widely used in window and door manufacture. Because of the popularity of UPVC Profile, a variety of upvc profile of different quality have emerged in the market. So what’s the difference between good upvc profile and normal one.