If you have solidly attached plaster with cracks spider-webbing through your walls and ceilings, another option is to ...

The drawbacks are potential future cracks from using gypsum materials with lime plaster ... to send off a small sample for lab testing before you begin demo. Likewise, if your walls were painted ...

Spotting a crack on ... hairline cracks (small cracks that are under 1/10 of an inch or 2.5 millimeters wide), especially around weak spots like doors, windows, and corners of walls.