Upvc Bay Systems refers to a combination of three or more windows which are projected outwards from the main wall, forming a bay in a room. A bay window adds a sense of elegance to any room. These windows can be crafted into square, polygon, semi-hexagonal, or semi-octagonal bays. Known for their functionality and attractive designs, bay windows are said to be one of the most sophisticated window styles in interior design. Today, designers have come up with many types of bay windows, the beauty of which is par excellence.