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