Repairing Large Cracks in Plaster Walls

If the crack is large the wet plaster will not stick, so you will need to buy a roll of patching tape at a paint store.

1. Clean off all loose plaster of oil and debris.

2. Fill the crack with plaster and press the perforated tape into the wet plaster with a wide putty knife.

3. Squeeze out any excess plaster so there will not be a lump in the wall.

4. Let it dry, sand lightly, texture if needed, and paint.