The back to front dimension is 30 which means there are over 7 sheets of drywall.
Repairing drywall ceiling seam cracks.
The long edge is 19 long.
The home mender shows us how to remove a buckled seam from a ceiling or wall apply new tape and mud.
To undo the damage done to the ceiling scrape off the loose tape and re tape the joint either with a drywall repair kit or paper tape and joint compound.
If the crack is discolored you could have moisture problems.
Next put mesh drywall tape over the crack and press it firmly onto the ceiling.
We have a crack at the long edge seam of the drywall in the ceiling.
Then prepare 5 minute mud by mixing the mud powder with lukewarm water.
The cause of your ceiling crack depends on various factors such as the ceiling material and the home s age.
I installed the drywall in 2007 and the crack first appeared about 4 years ago.
If you have a textured ceiling.