Today,the powerful combination of CertainTeed Vinyl Siding and FiberCement Siding offers you a wide variety of Siding Solutions™ - more than any other building products company. In vinyl, CertainTeed offers an industry-leading array of colors, styles, performance and customizing options that help make it the number one preferred brand of building professionals. In fiber cement, CertainTeed WeatherBoards Siding is the finest-performing product on the market. With CertainTeed, you get the best of both worlds.