UPVC, also known as Un-plasticized Polyvinyl Chloride, is a low-maintenance building material used as a substitute for painted wood, mostly for window & door frames and sills when installing double glazing in new buildings.Lumei exclusively designed uPVC doors are purpose-engineered for thermal efficiency, which means fewer heating bills for your household. So that it is about 3 times effective at maintaining temperatures within a home. Our uPVC doors are available in a huge variety of styles, color options and wood grain finishes suiting every home and our range keeps growing. With all our models, you can choose from half-glazed or fully glazed doors, with panels and glazing in a range of designs. Each Lumei uPVC door is termite resistant. They do not rust or dent either. So with your uPVC doors from Lumei, you can rest assured your home will be warm, quiet and secure.