The gypsum board ceiling has been re patched, there are gaps, can you directly scrape putty or putty

No. Laying direction, transverse and longitudinal fixation, the strength performance and deformation of gypsum board is determined by the direction, the longitudinal performance of the board is superior to the transverse, so the ceiling is not allowed to be longitudinal and parallel to the covered keel, should be perpendicular to the keel.

Gypsum board must be installed in a stress-free state, temporary support with wooden support when installing the ceiling board, and make the board and the skeleton compressed, the support can be revoked only after the screw is fixed, when the fixed plate is installed, it is fixed from the middle of the board to the four sides, and no more points are operated at the same time.

For example, before the board is installed, the carpenter will gently chamfer the upper mouth of the front cardboard to avoid the oilman cutting edge operation, and the width of the seam should be consistent.

The gypsum board ceiling has been re-patched, there are gaps, can you scrape putty directly or putty can you patch the joints? To deal with the gaps, the cracked original putty must be cut out with a wallpaper knife, and then the putty must be repaired. After the putty is dry, add latex bandage, and after it is dry, polish the putty with latex paint, so that the treatment is more correct!

Will the gypsum board ceiling be shelled if the putty is scraped again? (The ceiling is also slightly deformed, a little stayed) as soon as you remove the gypsum board on the surface, it will be damaged along with the keel inside. What's more, dismantle the ceiling, and you have other in the house.