UPVC Windows Repairs uPVC, also known as Unplasticized Polyvinyl Chloride, is a low-maintenance construction material that can give your home years of energy efficiency and design. These windows will need some attention and maintenance. Clean the frames and cladding using a soft cloth in order to remove dust and dirt. https://www.repairmywindowsanddoors.co.uk/southgate-windowrepair/