1, first hang the ceiling and clean the wall. Select a grid cloth with a width of about 1 m, then apply putty on the grid cloth and fix it on the top surface. Note that 1 meter is not self-adhesive.

2. Secondly, carry out normal top coating operation, pay attention to the joint lap of grid cloth by 8- 10 cm, and finally install the ceiling.

3. Finally, at the joint of the wall, select a grid cloth of about 10- 15 cm for pasting, and then cover it with a layer of gypsum.