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Anonymous users2024-01-24The closed water test (water storage test) should be carried out 24 hours after the completion of the waterproofing construction, and only after the LM waterproof layer is completely dry. Before the test, the waterproof construction quality should be checked firstly, such as whether the coating surface is smooth and smooth, and whether there is cracking; Whether the yin angle, yang angle, floor drain, drain pipe root, etc. are repaired; whether the waterproof layer is completely dry, etc. At the same time, it is also necessary to contact the downstairs residents in advance to prevent and assist in water leakage.
The water storage depth of the closed water test should not be less than 20mm, the water storage time is 24 hours, and the water surface has no obvious drop to be qualified, of course, evaporation is not counted when the weather is hot. In the early stage of the closed water test, you should go downstairs to check once every 1 hour, and in the later stage, you should go downstairs to check every 2-3 hours. If water leakage is found, the closed water test should be stopped immediately, the waterproof layer should be re-improved, and the closed water test should be carried out after the treatment is qualified.
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Anonymous users2024-01-2348 hours (national standard) brushing means that the wall or ground is too smooth, which is not conducive to tiling, so it is necessary to brush the working surface to facilitate better adhesion between the brick and the working surface.
The bathroom did not do a good job of waterproofing, and in principle, it had to be smashed and redone. There is an economic loss for sure, and it will be higher than the cost of renovating the bathroom for the first time, because the master in the industry would rather take the work of decorating the rough house than taking the work of repair. As for the damage to the structure of the house, as long as the construction is reasonable, the use of electric hammer instead of real hammer will not cause damage to the structure of the house. >>>More
Just find some fine sand or dirt to use outside – just clean up after the closed water test!
Closed Water Test Specification: First of all, it is necessary to block the floor drain in the waterproof layer area, and then stir the door with yellow clay and cement trembling mortar to make a water retaining strip about 25cm high. >>>More
The reason for the leakage of the toilet waterproof and closed water test is caused by non-standard construction. If the waterproof is done, if there is no standard closed water test inspection, it will eventually lead to water leakage. >>>More
At the beginning of the closed water experiment, it is necessary to notify the residents of the lower floor, and there is no need to notify the lower floor; When the water level drops, the first part needs to go to the downstairs residents or the downstairs floor to check whether the top surface of the bathroom is leaking or damp, if not, this item can be ruled out; The second is to check whether the water is lost due to floor drains or sewage pipes that are not blocked; Third, check whether the windows are closed, there is no air flow through, or the weather is very hot and dry, etc., if these reasons are too large, the water will evaporate and the water level will drop.