We create beauty, harmony and innovation in your world with the rich colors and stunning textures of CertainTeed WeatherBoards™ Fiber Cement Siding. Our Fiber Cement relies on environmentally sustainable principles to design technologically advanced, earth-friendly siding that looks as good as it performs. Each and every sheet and board is engineered for decades of superior protection, wear and durability, and is backed with a century-long tradition of excellence and customer satisfaction.