What is the reason for the crack in the ceiling?
1, caused by temperature change
Cracks in the ceiling may be caused by temperature changes. Although the problem is not serious, it will not affect the safety of the ceiling, but it will affect the overall beauty of the house.
Repair plan: If the crack is not too big or deep, stick a layer of kraft paper on the crack and then brush the top coat. If the crack is too big, cut a gypsum board, grind it into a suitable shape, fill the crack and paint it.
2. Improper construction leads to cracking.
If the cracks are caused by improper construction, it is necessary to check the keel first, and then check the decorative surface after the quality problems at the grass-roots level are handled. If the ceiling is severely deformed, it is necessary to expand the demolition area, and the keel will be trimmed according to the normal construction steps after leveling.
What should be paid attention to when repairing cracks in the ceiling:
1. When the ceiling is cracked, it is best to use stainless steel drywall nails to fix the gypsum board, because such nails will not rust and can ensure the beauty of the gypsum board.
2. Nail holes on gypsum board should be treated with nail hole putty.
3. If there is a gap between two gypsum boards, it is necessary to mix the gap with 90 1 glue and gypsum powder to avoid obvious cracks in the future.
4. After filling the gap with 90 1 glue and gypsum powder, stick it on the surface with anti-crack adhesive tape to prevent the top surface from cracking due to thermal expansion and contraction. However, when operating, remove air bubbles first, so that the adhesive tape and gypsum board are completely closely combined.
Summary of the article: Well, the knowledge about what causes the cracks in the ceiling and what to pay attention to when repairing the cracks in the ceiling is introduced here. If you need more information, please continue to pay attention to Qijia. We will provide you with more exciting content later.