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