The lifespans of expandable houses range from tens of years to centuries, depending on various factors such as maintenance, the materials used and environmental factors. A good expandable house is expected to last between twenty and fifty years if it was built well. Weather and how often the house is used as well as maintained are of great significance in deciding the expected life of the house. At TianJin DaCheng International Trade Co., Ltd., we have a habit of making good designs for our expandable houses which provides the needed factors without sacrificing the comfort of our clients.