How to repair the cracks in the four corners of the ceiling;
1, analyze the causes of cracking first, and then suit the remedy to the case. Don't blindly construct, otherwise it will only add fuel to the fire.
2. Repair of paint surface cracks
If only the surface layer of paint film cracks, it may be caused by the thick coating or the mismatch between primer and topcoat. In the process of treatment, it is only necessary to remove the cracked paint film and repaint it, but the paint film cannot be painted too thick at one time. If necessary, the substrate can be sealed with a suitable primer before construction.
3. The ceiling cracks caused by improper construction.
If it is caused by improper construction, it is necessary to check the keel and facing materials first. If the ceiling is severely deformed, the demolition area can be enlarged, and the keel can be gradually trimmed after leveling.
4. The ceiling cracks caused by temperature changes
If it is a crack caused by temperature change, just stick a layer of kraft paper first and then apply decorative paint. If the gap is too big, it is best to cut out a gypsum board first, polish it into a suitable shape, then fill it in the gap, and then brush the top coat.
What are the precautions for ceiling maintenance?
When repairing the ceiling, we should first pay attention to the use of various nails. It is suggested to fix the panel with stainless steel nails to ensure the beauty of gypsum board ceiling, and then carefully deal with the cracks to avoid the possibility of cracking again. In addition, after the gap is filled with gypsum powder, it is pasted with anti-crack tape, so that the replacement can be completely and closely combined with gypsum board. For special ceilings, post-treatment is very important, such as circular and wavy ceilings, which need professional masters to repair, and cannot be repaired by themselves, so as not to affect the post-treatment effect.
Summary: Well, the knowledge about how to repair the cracks in the four corners of the ceiling and the matters needing attention in repairing the ceiling are introduced here. If you need more information, please continue to pay attention to Qijia. We will provide you with better and more exciting content in the future.