UPVC Windows Repairs uPVC (Unplasticized Polyvinyl Chloride) is a low maintenance construction material that will provide your home with energy efficiency and style for a long time. These windows will need some maintenance and care. Clean the frames and cladding with a soft, clean cloth to remove dirt and dust. https://www.repairmywindowsanddoors.co.uk/nottingham-windowrepair/