How to Fix a Small Plaster Crack
Quick Answer
Widen the crack slightly, apply filler, and sand smooth.
How to troubleshoot a Small Plaster Crack
Small plaster cracks can be repaired easily. This guide covers fixing hairline cracks in plaster.
Step-by-Step Fix
- Widen the crack slightly with a knife.
- Apply filler with a putty knife.
- Allow the filler to dry.
- Sand the area smooth with fine-grit sandpaper.
- Prime and paint.
Common Error Codes
| Code | Meaning | Resolution |
|---|---|---|
| Crack reappears | Movement in the wall | Use a flexible filler. |
| Filler shrinks | Applied too thin | Apply a second coat. |
Frequently Asked Questions
How do I fix a small plaster crack?
Apply filler, sand, and paint.
Can I fix plaster cracks myself?
Yes, with filler and sandpaper.