What is the reason why the ceiling is chiseled and the roof is full of water vapor

Updated on Suspended ceilings 2024-03-01
2 answers
  1. Anonymous users2024-01-23

    This is because the ceiling is equivalent to a closed space, the air inside cannot flow and cannot volatilize, when the external ambient temperature is lower than the inside of the ceiling, the internal air will condense into water, but it cannot evaporate, so it is like a steamer full of water vapor.

  2. Anonymous users2024-01-22

    Don't use ordinary cement mortar, you can use tile adhesive, or buy powdered concrete interface agent, these materials contain polymer latex powder, high adhesion, and the base layer also needs to be properly haired.

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