At National Plastics we pride ourselves in offering a huge range of products at competitive prices and our uPVC window sills range does just that. Our window sills can be used internally or externally and can also be used as fascia boards, this also means that you can guarantee a perfect match between your fascias and sills! We are able to offer classic white window sills along with nine other desirable shades. As well as our wide selection of coloured window sills, we also offer a number of wood effect window sills. Our woodgrain range includes all the classic wood types including mahogany, black ash and light oak.