UPVC Windows Repairs uPVC, or Unplasticized Polyvinyl Chloride, is a low-maintenance building material that will give your home years of energy efficiency and fashion. However, these windows require maintenance and care periodically. Wipe the frames and cladding down with a soft clean cloth to get rid of dirt and dust. https://www.repairmywindowsanddoors.co.uk/sunburyonthames-windowrepair/