Drywall Repair Crackbutt Joint Drywall Repair?

Drywall repair? - drywall repair crackbutt joint

If the document is dry in the upper part of the wall, I use a particular product, other than gypsum, which is normally used to repair damaged barricades.

Mine I skim coated, sanded and finished. But the new color does not remain liable and the coating, when the sand is a little harder, all the way back to the porosity of brown paper drywall.