Ceiling cracks generally follow the joints between drywall sheets and as long as they remain minor with widths of less than 1 8 inch you can patch them with tape and joint compound.
Cracks in ceiling drywall.
This is a sign of structural damage usually related to a weak wall.
Ceiling cracks that run across the ceiling to the wall and then downward on the wall.
A foundation issue or framing issue.
To fix a ceiling crack start by scraping away any loose material from the crack with a drywall knife.
Drywall cracks in ceilings or walls.
A crack is continuous though the wall and ceiling.
The common approach is to fill the crack with spackling then paint over it but this is at best a temporary fix since the crack will usually come back as the seasons change.
Prevent their recurrence by using fiberglass mesh drywall tape and setting type joint compound to make rock hard joints.
Ceiling cracks accompanied by wall cracks could be the result of the house settling.
This type of crack suggest that there may be a structural issue i e.
Illustrations show where cracks are most likely to appear explain why and suggest both repair approaches to drywall cracks and how to prevent cracking in plasterboard or gypsum board.
Next put mesh drywall tape over the crack and press it firmly onto the ceiling.
Then prepare 5 minute mud by mixing the mud powder with lukewarm water.
Basically a continuous crack going through the ceiling and the wall.
Homes naturally settle as they age which can create crevices in the walls and ceilings typically above doors.