UPVC Windows Repairs uPVC, or Unplasticized Polyvinyl Chloride is a low-maintenance building material that can provide your home with years of energy efficiency and fashion. These windows will need some maintenance and care. Cleanse the frames and cladding using a soft cloth to get rid of dust, dirt, and grime. https://www.repairmywindowsanddoors.co.uk/miltonkeynes-windowrepair/