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Dealing with Cracks in Plaster Ceilings

  • Nurul
  • Jul 31
  • 2 min read

Index

Worker in a navy shirt applies plaster to a white ceiling. He holds a trowel and wears a cap. The setting is a room under construction.

Introduction

Cracks in your ceiling? Don’t panic yet.

Cracks in plaster ceilings are common in Malaysian homes. While some are harmless, others may point to deeper structural problems. Here's how to tell the difference and what to do about it.


Hand in camouflage sleeve applies white plaster to a wall corner with a spatula. Smooth texture, clean lines enhance the neat appearance.

1. Common Causes of Plaster Ceiling Cracks

Why cracks happen

  • 🧱 Building settlement over time

  • 🌡️ Temperature and humidity changes

  • 🛠️ Poor installation or low-quality materials

  • 🚿 Water leaks from above

Understanding the cause helps determine the right fix.


Hand applying plaster with a putty knife on a drywall repair, surrounded by white wall and visible screws, in a neutral setting.

2. Types of Cracks and What They Mean

Not all cracks are equal

  • 🔹 Hairline cracks: Usually cosmetic and due to minor settling

  • ⚠️ Spiderweb cracks: May indicate aging plaster

  • 🚨 Large or widening cracks: Could suggest serious structural issues or water damage

Take photos and monitor changes over time.


Man in red shirt and overalls paints a white ceiling with a roller. He's on a ladder, holding a paint tray. Bright, clean room setting.

3. DIY vs. Professional Repair

Know your limits

  • 🖌️ DIY is okay for small cosmetic fixes

  • 🧰 Professionals are best for large or recurring cracks

  • 🔎 Experts can identify hidden issues behind the surface


4. How Plaster Ceiling Services Help

Hand using putty knife to scrape old paint off a cracked white wall. Peeling paint reveals darker surface beneath. Close-up view.

More than patchwork

  • 🧱 Thorough inspection and diagnosis

  • 🛠️ Use of proper joint compounds and mesh tape

  • 🧽 Finishing and repainting for seamless look

  • 📋 Advice on preventing future cracks

Professional services ensure repairs last longer and look better.


5. Preventing Future Cracks

Keep your ceiling in shape

  • 💧 Fix leaks quickly

  • 🌬️ Use proper ventilation to reduce moisture

  • 🧱 Reinforce ceilings during renovations

  • 🧼 Regular maintenance checks

Prevention is cheaper than repeated repairs.


Did You Know?

Hairline cracks wider than 3mm may need attention 📏

Always measure and monitor new cracks to catch problems early.


Conclusion

Cracks in plaster ceilings aren’t always a disaster—but they shouldn’t be ignored. Understanding their cause, acting quickly, and hiring the right professionals can save money and avoid bigger repairs.

Person in plaid shirt applies plaster to ceiling with trowel. White walls, focused expression, bright indoor setting.

FAQs

  1. Are all plaster ceiling cracks serious?

    No, small cracks are often harmless, but it’s important to check their size and progression.


  2. Can I paint over plaster cracks?

    Only if they’re minor. Otherwise, the crack may reappear or worsen.


  3. How much does plaster ceiling repair cost in Malaysia?

    It ranges from RM150 to RM800 depending on crack size and damage extent.


  4. Can plaster ceilings be waterproofed?

    Yes, with special coatings and by addressing leak sources.


  5. How long do plaster ceiling repairs last?

    With quality workmanship, they can last for years if underlying issues are resolved.


Need Help with Plaster Ceiling Repairs?

🧱 Don’t wait for small cracks to become big problems. Book our expert plaster ceiling repair and installation service today across Malaysia → www.plasterceiling.my/

 
 

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