Fixing a drywall crack at the wall ceiling joint will improve the looks as well as the structural soundness of your room.
Fixing cracks between wall and ceiling.
Cracks that cause concern are those which run across the length of a ceiling and then continue down a wall along the same line.
This type of crack suggest that there may be a structural issue i e.
This is a sign of structural damage usually related to a weak wall.
Basically a continuous crack going through the ceiling and the wall.
Cracks along the line where the ceiling and interior walls meet can be caused by settlement of the floor slab but usually there is a separation between the baseboard and floor first along with stress cracks emanating diagonally from the corners of doors before any ceiling wall crack lines appear.
Drywall is easier to install than traditional plaster and is easier to repair or replace as needed.
Start with a light application let it dry and add more if needed.
Ceiling cracks that run across the ceiling to the wall and then downward on the wall.
Ceiling cracks accompanied by wall cracks could be the result of the house settling.
The cause of your ceiling crack depends on various factors such as the ceiling material and the home s age.
Homes naturally settle as they age which can create crevices in the walls and ceilings typically above doors.
A foundation issue or framing issue.
If the crack is discolored you could have moisture problems.
If there s an issue with the trusses that could create a crack between the ceiling and the interior wall.
With some careful brush work you can perfectly match the surrounding texture and easily cover minor cracks in ceiling.