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