The installation of the waterproof system is somewhat similar to the indoor partition wall fire protection system, mainly composed of the Bezel and aluminum alloy partition keel, with personalized design, environmental protection, light, durable, moisture absorption, absolute fire protection and other advantages, and simple construction, fashion and clean. The medium density fiber cement board is generally smooth and rough when it leaves the factory, and the waterproof system of the bathroom and kitchen uses the rough surface to do waterproof treatment.