Introduction
When it comes to finishing walls in a home renovation project, two techniques are often considered: plastering and skim coating. Though both serve to improve wall surfaces, they are used for different purposes and deliver distinct results. So how do you decide which one is right for your walls?
In this guide, we’ll explore Plastering vs Skim Coating in the context of home improvement in Singapore—focusing on the materials, applications, cost, finish, and most importantly, when to choose one over the other.
What is Plastering?
Plastering is the process of applying a thick layer of plaster material (cement-based or gypsum-based) over wall or ceiling surfaces to create a hard, smooth, and protective layer. It can be applied to brick, concrete, or block walls.
Uses of Plastering
- New construction projects
- Wall strengthening or reconditioning
- Covering uneven or damaged masonry
- Prepping walls for painting or wallpapering
Materials Used
- Cement-based plaster (for durability)
- Gypsum plaster (for a smoother finish and quicker drying)
What is Skim Coating?
Skim coating is the process of applying a thin layer of joint compound or putty over an already-plastered or painted surface. It helps level out imperfections like hairline cracks, bumps, and minor surface flaws.
Uses of Skim Coating
- Smooth out rough or uneven walls
- Hide repaired cracks or holes
- Achieve a paint-ready finish
- Enhance the final look of walls before decoration
Materials Used
- Pre-mixed skim coat compounds
- Joint compound or wall putty
Key Differences: Plastering vs Skim Coating
| Feature | Plastering | Skim Coating |
|---|---|---|
| Layer Thickness | Thick (10–20mm) | Thin (1–3mm) |
| Purpose | Structural and surface leveling | Cosmetic surface smoothing |
| Surface | Raw walls, bricks, concrete | Painted, plastered, or drywall surfaces |
| Materials | Cement, gypsum | Joint compound, wall putty |
| Drying Time | 24–72 hours | 12–24 hours |
| Cost | Higher | Lower |
| Finish | Durable and protective | Smooth and paint-ready |
When Should You Choose Plastering?
Opt for plastering if:
- You are working with newly built walls or raw surfaces.
- Your walls are heavily damaged or uneven.
- You want a stronger, impact-resistant surface.
- You need to create level alignment with other structural elements.
Plastering is ideal for foundational wall work, and although it’s costlier, it provides a longer-lasting and more robust surface.
When Should You Choose Skim Coating?
Go for skim coating if:
- Your walls are already plastered but look patchy, dull, or uneven.
- You’re preparing for painting or wallpaper.
- You want a smooth, seamless aesthetic.
- You need to cover minor cracks, nail holes, or flaking paint.
Skim coating is generally used in interior renovation, especially when refreshing old wall surfaces without major construction.
Cost Comparison in Singapore
In Singapore, plastering and skim coating services vary based on property size, wall condition, and material. On average:
- Plastering cost: $4.50–$6.50 per sqft
- Skim coating cost: $2.50–$4.00 per sqft
Note: Rates may differ based on whether you hire certified professionals, the urgency of the job, and whether surface preparation is included.
Which Option is Better for HDB Renovations?
For HDB flats in Singapore, skim coating is more commonly used unless there’s major wall damage. It’s less disruptive, cost-effective, and perfect for quick makeover projects.
However, for older flats with uneven or deteriorating walls, partial plastering followed by skim coating may be necessary.
Expert Tips from AL Interior Renovation
- Assess Your Walls First
Before deciding, have your wall condition assessed by a professional. Sometimes, a combination of both techniques is required. - Use the Right Materials
Use high-quality, moisture-resistant materials—especially in Singapore’s humid climate. - Hire Experienced Contractors
DIY skim coating may seem simple, but for consistent results, always hire professionals. - Plan for Proper Drying Time
Rushing the painting process can result in bubbles or poor adhesion. Always allow enough drying time after plastering or skim coating.
Why Choose AL Interior Renovation?
At AL Interior Renovation, we specialize in both plastering and skim coating services in Singapore. Whether you’re working on a new flat or renovating a resale HDB unit, our team ensures:
✅ High-quality wall finishes
✅ Fast, clean, and professional work
✅ Transparent pricing and on-time delivery
✅ Proper surface preparation for long-lasting results
We also provide hacking, electrical, plumbing, and full interior renovation services—all under one roof.
Conclusion
Both plastering and skim coating have their place in a renovation project. Choosing the right method depends on your wall condition, renovation goals, and budget. If you’re unsure which service is best, consult with professionals to get tailored advice and a smoother, more lasting wall finish.
📞 Need help with plastering or skim coating in Singapore?
Contact AL Interior Renovation today for a free on-site quote and professional advice!
