After 3 years of building a new house in the countryside, a small crack suddenly appeared in the wal

Updated on Living room 2024-07-06
2 answers
  1. Anonymous users2024-01-24

    The main causes of hollowing and cracks are roughly as follows.

    First, the rough base part is not clean, and the dust and oil stains are not cleaned before construction.

    The second is that the wall is not watered enough, and the moisture of the cement mortar after scraping is quickly absorbed by the base layer, which affects the adhesion.

    The third is that the deviation of the horizontal verticality of the rough base is too large, and the thickness of the rough scraping is too large, which makes the mortar sag and produces hollow drums.

    Fourth, the quality of the configured mortar raw materials is unqualified, or the ratio is incorrect.

    Fifth, the operation of the construction personnel is not standardized, and the iron plate is used to recover the light too many times to separate the powder layer from the base layer at the place where the wall needs to be collected, resulting in a hollow drum.

    If you encounter hollowing and cracks, generally speaking, the following methods can be remedied. First of all, the construction base should be cleaned before scraping, remove floating ash, oil and other debris, and the material connections of different materials of the base should be paved with steel wire mesh or nylon mesh cloth, and its width must be greater than 100 on both sides of the junction. Before scraping, the base wall should be watered and moistened according to the season, climate and indoor and outdoor environment.

    The rough time of the wall should be controlled more than 24 hours after the wall is built. The wall should be scraped to the powder, each time the rough time should be long, and the parts that need to be collected should be collected with iron plates, and the number of times should be less, so as not to dry the powder layer and the base layer, resulting in hollowing. After the rough part is dried or before the wall is paved with wall tiles and the wall is embedded with putty, the construction part should be fully inspected with a stretching hammer.

    If hollow drums and cracks are found, they should all be knocked out in time and merged, and scraped and repaired in the correct way.

  2. Anonymous users2024-01-23

    What's next? What do I need to do?

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