What is the matter with the white cement that cracks the balcony and rusts and turns black

Updated on Balcony 2024-09-16
2 answers
  1. Anonymous users2024-01-24

    According to my understanding, this should be the leakage of the steel bar inside, and there is only a white cement layer on the surface of the steel bar without a protective layer of concrete, so it leads to rust and blackening.

  2. Anonymous users2024-01-23

    These phenomena will occur in white cement for a long time, first of all, they are all sewn with beauty, the quality is better, and it is an upgraded product of white cement, you can take a look.

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