CertainTeed brings fiber cement siding that you can choose with confidence, install with pride and experience in comfort. We create beauty, harmony and innovation in your world with the rich colors and stunning textures of CertainTeed 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. When we say CertainTeed, we mean quality made certain, satisfaction guaranteed.