Gypsum of the ceiling appeared a big hole, how to repair
You find a special understanding to ask it, but also how to do it
The first step: contact the manufacturers to take the same kind of non-condensate gypsum over
Step 2: Add the cover to the bottom of the hole
The third step: the non-condensed gypsum poured into the hole, smoothing
Step 4: Smooth the plaster with the hit door and wait 30 minutes for it to solidify
The fifth step: finishes, that is, your other good surface is the finishes, to paint what color, hope to help you
