UPVC Windows Repairs uPVC (Unplasticized Polyvinyl Chloride) is an easy to maintain construction material that can provide your home with energy efficiency and style for many years. However, these windows require care and maintenance periodically. Clean the frames and cladding using a soft cloth to remove dust and dirt. Also, https://www.repairmywindowsanddoors.co.uk/harrow-windowrepair/