If earlier the possibilities of choosing were limited and the manufacturer dictated its conditions, then the acquisition of such building material was not available for all layers of customers. With the advent of competing firms, the price of plastic windows has decreased, and quality, thanks to healthy competition, increased. The so -called color plastic windows appeared on the market, which diversified the color scheme of the product. Instead of classic options for white and ivory, the windows of orange, dark blue, green and other colors appeared.