What are the causes of water leakage in the prefab house?

Prefab houses are widely used in temporary construction of construction sites, and are often used as workers' dormitories, offices, conference rooms, warehouses, etc. Because of the low construction cost, the prefabricated house is also moved, and the advantage of being able to stock is favored by many builders. Of course, the prefabricated house also has some disadvantages. One of them is that there may be water leakage problems after a long time of use. So what are the reasons for the leakage of the prefab house? Today Wellcamp prefab house manufacturers will take you to understand:

1. During the installation and construction of the mobile house, stepping on the roof may loosen the fasteners. After a long time, the aging of the fasteners and waterproof parts will lead to the leakage of rainwater;

Second, there is no slope in the horizontal direction of the prefab house, and the design of the water outlet of the drainage ditch is unreasonable. When the rainwater rushes to the drainage ditch, it cannot be discharged into the drainage ditch immediately. Failure to drain into the proper location can lead to rust in the gutters, or in the case of blockages such as scum, and leaks or backflows can occur. The groove of the movable prefabricated house has no slope in the horizontal direction, and a certain slope should be installed, at least 0.5%.

Third, in the process of installing the prefab house, the installed color steel plate is not protected, and the flatness of the roof is damaged;

Fourth, due to the large span of the prefab house, it is difficult for the top of the roof to meet the design standard requirements, resulting in water leakage;

Five, the panel opening of the prefab house, the waterproof performance of the cracks around various fans and exhaust pipes is not good; the prefabricated house is affected by external conditions, wind load, snow load and thermal expansion. Cold shrinkage, etc. will cause the deformation of the roof board, the cracks will expand at the lap joint, and the original waterproof treatment will be damaged, resulting in water leakage.

Six, the use of unqualified materials to build prefabricated houses, the structural unrest requirements are arbitrarily increased, and the operation is not carried out in accordance with the construction specifications, which may cause the roof to leak;

Seven, the construction of key nodes is not serious, the roots of the pipes and vents protruding from the roof are not closed tightly, and the water level of the waterproof layer is not high enough. The structure of the insulating layer is in contact with rainwater, the exhaust port is blocked, and the setting of the exhaust hole is unreasonable, resulting in the long-term immersion of the insulating layer. These problems are the hidden dangers of water leakage in the prefab house.

The above is the analysis of the causes of water leakage in prefabricated houses. After knowing the reasons that may cause water leakage in prefabricated houses, we should try to avoid and improve them in the process of production and installation, and prevent prefabricated houses from the source. waterproof problem. Hope today's article can bring some help to your work.
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