UPVC Windows Repairs uPVC (Unplasticized Polyvinyl Chloride) is an easy to maintain construction material that can provide your home with energy efficiency and style for many years. These windows will require some attention and maintenance. Wipe the frames and cladding with a soft, clean cloth to remove dust and dirt. https://www.repairmywindowsanddoors.co.uk/barnet-windowrepair/