UPVC Windows Repairs uPVC (Unplasticized Polyvinyl Chloride) is a low maintenance construction material that can provide your home with energy efficiency and elegance for many years. However, these windows need care and maintenance at times. Wipe down the frames and cladding using a soft cloth to remove dust and dirt. https://www.repairmywindowsanddoors.co.uk/hernebay-windowrepair/