My bathroom was waterproofed and tested the water, why does it back

Updated on Bathroom 2024-06-15
2 answers
  1. Anonymous users2024-01-24

    If the bathroom is waterproof, if there is no standard closed water test inspection, it will eventually lead to water leakage, and the cause is caused by non-standard construction.

    The national standard for closed water test requires that it needs to be done twice, once after the waterproof coating is completed and the waterproof coating film is dry; The second is after the waterproof protective underlayment or finishing layer has been completed.

    If only the first closed water test is done, then the waterproofing may be damaged in the subsequent process of making protective cushion or laying wall and floor tiles.

  2. Anonymous users2024-01-23

    Causes of leakage in the waterproof layer of the bathroom.

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