The water building is actually a small villa or cabin built with lightgage steel joist or aluminum alloy frame above the floating platform（usally build by concrete） . Similarly, we can set up gardens and landscape above the water. For safety reasons, water building should be built on the lakes or with good wind protection.Generally speaking, water building built on concrete pontoon Bridges are more stable and fit the traditional concept of “foundation”.It can also be built on the pontoon as a temporary or short-term living life can reach about 10 years.