https://homelyville.com/drywall-tape-separating-from-ceiling/#:~:text=If%20you%20find%20that%20the,the%20foundation%20of%20the%20home.
It's the drywall tape falling off. The drywall tape is used to hide the joint between two piece of drywall. A handy man can scrape it off and retape the joint. And to save money maybe you can paint the ceiling yourself.
It's no big project.
正确的做法是贴纸后刷漆。
用铲子铲掉, 抹上腻子, 等干后打平, 然后喷白漆,即可
https://homelyville.com/drywall-tape-separating-from-ceiling/#:~:text=If%20you%20find%20that%20the,the%20foundation%20of%20the%20home.
It's the drywall tape falling off. The drywall tape is used to hide the joint between two piece of drywall. A handy man can scrape it off and retape the joint. And to save money maybe you can paint the ceiling yourself.
It's no big project.
正确的做法是贴纸后刷漆。
用铲子铲掉, 抹上腻子, 等干后打平, 然后喷白漆,即可