How to Solve Mouth Ceiling and Mouth Ceiling Arch with Geomantic Solution

1. Saw the incision into a square or rectangle.

2. Take a new gypsum board and cut it into a regular shape according to the size of the hole, just to cover the hole.

3. Put two pieces of wood in the hole, fix them, and then cover the cut gypsum board with screws.

4. After fixing, blow putty and roll latex paint.