UPVC Windows Repairs uPVC, or Unplasticized Polyvinyl Chloride is a low-maintenance material that will give your home years of energy efficiency and style. However, these windows require care and maintenance from time to time. Clean the frames and cladding with a soft cloth in order to remove dust and dirt. https://www.repairmywindowsanddoors.co.uk/staines-windowrepair/