It is generally to paste the one layer mesh. And the steel mesh is used between the new wall and the old wall to prevent cracking.
A few days ago, the workers said the master lightweight gypsum walls and the top surface should be leveled by gypsum, and need to affix the mesh.
Generally speaking, the lightweight walls and the insulation walls all need to paste cloth. You should try to choose the better wall cloth and white latex. If the condition is permmited, you can use the mesh which is with a good performance of anti-cracking.
