UPVC Windows Repairs uPVC, also known as Unplasticized Polyvinyl Chloride, is a low-maintenance material that can give your home years of energy efficiency and style. However, these windows do require care and maintenance periodically. Cleanse the cladding and frames with a soft cloth to get rid of dust and dirt. https://www.repairmywindowsanddoors.co.uk/wellingborough-windowrepair/