I bought the flat-topped top floor and elevator car on the 18 floor, and I will hand over the house at the end of July soon, but I feel a little regretful for fear of water leakage. Have you ever boug

I bought the flat-topped top floor and elevator car on the 18 floor, and I will hand over the house at the end of July soon, but I feel a little regretful for fear of water leakage. Have you ever bought experience? First of all, congratulations on your upcoming new house. The top floor has good lighting and a wide view. Usually there is a discount on the unit price and more gifts. Congratulations!

Many friends, like you, are always worried about water leakage and heat preservation on the top floor. This kind of worry is not unnecessary. The leakage rate of building roofs in China is about 95% (network data), and it does leak repeatedly after repeated maintenance.

The reason for these problems is that the waterproof warranty is only five years in China, and developers have no incentive to make good use of materials. Waterproof industry has low threshold, high product homogeneity and fierce competition. On the premise of meeting the national requirements, whoever has low cost can better occupy the market. Over time, there are only a large number of fake and shoddy products and a small number of national standard products on the market, and high-performance waterproof materials can no longer be found on the market, which is also an important reason.

Design is the source, and most of the existing roofs are upside down, that is, waterproof layer is made below and thermal insulation layer is made above. Reasonable, the heat preservation material has high water absorption, and the heat preservation effect is greatly reduced after water absorption. Insulation materials should be waterproof to prevent them from absorbing water. However, because the waterproof system formed by the waterproof materials on the market at present is not reliable, we have to do the opposite, and let the waterproof layer be used for as many years as possible to survive the five-year period stipulated by the state.

During the warranty period (from the date of completion acceptance), the developer is responsible for free maintenance, and then there will be a community responsible for maintenance. However, this kind of maintenance follows the above market rules, which often leads to repeated maintenance and leakage. The wisest thing to do is to choose the right materials when decorating, do a good job of heat preservation and waterproof, and enjoy a carefree and happy life.

So I suggest my friends take the initiative in their own hands and buy the top floor with confidence and boldness.