What is the reason why the door of the bathroom should be 20mm higher than the floor of the building

Updated on Bathroom 2024-04-21
2 answers
  1. Anonymous users2024-01-23

    When taking a shower and washing clothes.

    Prevent water from coming out of the bathroom.

  2. Anonymous users2024-01-22

    Maybe one of the sewer pipes in your house is not equipped with a U-shaped bend, so the smell below will directly come up.

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