Plasterer how-to

How to Patch Historic Plaster

Patches should match the original.

Updated By the Career Education Institute Curriculum Team
Quick answer

Patches should match the original. In short: remove; secure; use, then complete the remaining steps below.

Step by step

  1. Remove loose plaster.

  2. Secure lath.

  3. Use compatible material.

  4. Build in coats.

  5. Match texture.

  6. Let cure.

Safety reminders for plasterers

  • Use scaffolds safely
  • Wear eye protection
  • Protect skin from lime
  • Lift with help

Scratch coat · Brown coat · Finish coat · Lath · Stucco · EIFS: see the full plasterer glossary.

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