UPVC Windows Repairs uPVC (Unplasticized Polyvinyl Chloride) is a low maintenance construction material that can give your home energy efficiency and style for many years. However, these windows need care and maintenance periodically. Cleanse the cladding and frames with a soft cloth in order to remove dust, dirt, and grime. https://www.repairmywindowsanddoors.co.uk/barking-windowrepair/