Plaster work self check

Self-Check Guide for Plaster Work

Ensure smooth walls and long-lasting finish

Plastering is one of the final touches in a construction project, and it directly affects both appearance and durability. Whether you’re building a home or supervising construction, doing a basic self-check during plastering can help prevent future cracks, dampness, and repair costs.

✅ What to Check During and After Plastering:

1. Surface Finish

• It should be smooth and even to touch and look.

• No waves, bumps, or undulations on the wall.

• Corners should be straight and sharp.

2. Thickness

• Standard plaster thickness:

  • 12 mm for internal walls

  • 15–20 mm for external walls

• Use a steel scale or level to verify uniformity.

3. Cracks

• No hairline cracks should appear within a few days.

• Cracks may indicate poor curing or mix issues.

4. Hollowness Test

• Tap the wall gently. A hollow sound means the plaster hasn’t bonded well and may peel off.

5. Curing

• Ensure curing is done for at least 7 days post-plastering.

• No curing = weak plaster prone to cracks.

6. Level & Plumb

• Use a spirit level and plumb bob to check verticals and horizontals.

• Misalignment shows poor workmanship.

7. Material Quality

• Cement: fresh, lump-free

• Sand: clean, no mud or silt

• Mix Ratio: commonly 1:4 or 1:6 (cement: sand), based on requirement

🛠 Pro Tip:

Check before painting. Once paint is done, correcting plaster faults becomes expensive and time-consuming.

🏠 Final Word:

Good plaster work is not just about looks – it protects your walls, improves durability, and gives a solid base for paint or tiles. Taking a few minutes to inspect the plaster stage can save you months of future repairs.