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