Quick answer: Acoustic plaster is a special sprayed or trowelled finish on a backing board that soaks up sound and looks like a normal smooth ceiling. It suits high-end new builds where a seamless look matters. Acoustic panels are faster, usually cheaper, can go on walls too, and can be moved later. For most existing rooms, panels are the practical choice.
Key takeaways
- Plaster: seamless look, built in during a reno.
- Panels: faster, flexible, usually cheaper.
- Existing rooms: panels are usually easier.
What acoustic plaster is
A backing board is fixed to the ceiling, then a porous plaster finish goes on top. It looks smooth and plain but lets sound in. From below, it looks like a normal ceiling.
Where it shines
It suits luxury homes, galleries, hotel lobbies and offices. Designers pick it when they want a clean, seamless ceiling. It works best when it is planned into a new build or a full reno.
Not sure what your room needs? Send us a photo on WhatsApp or request a free quote. We'll tell you how many panels, where they go and the price. See our acoustic panels Singapore and recent projects.

Downsides
It is a building job: wet trades, drying time and skilled applicators. Painting over it with normal paint can ruin it. It cannot be moved.

Where panels shine
Panels suit existing rooms, rentals and quick fixes. They go on walls as well as ceilings, and come in 39 colours. A room can be done in a few hours to 1 or 2 days. See ceiling vs wall panels.
Plan early
If you want plaster, plan it before the ceiling is built. Adding it later means redoing the ceiling. Panels can be added at any time. See plan acoustics early.
Cost
Plaster is priced for the whole ceiling plus the building work. Panels cost from S$185 each supplied and installed (50 mm, standard fixings included), and they go only where needed. Most rooms need panels on only about 20–40% of the walls.
Questions for your designer
What is the NRC (a score from 0 to 1 for how much sound a panel soaks up) of the plaster system? How long to install and dry? How do we repair it?
A mixed approach
Use plaster in the lobby for looks, and panels in meeting rooms where you need more control. Panels can be added or changed later. This keeps the seamless look where visitors see it most.
What we see on real jobs
Designers love a seamless ceiling. When the budget or timeline is tight, a few clouds or flat panels get the room working fast.
Get a straight answer for your room
Send us a photo or a short video of the room on WhatsApp (+65 8930 1905). We'll reply with whether panels are the right fix, how many you need, where they go and the price. If it's really a soundproofing problem, we'll tell you.
WhatsApp us a photo · Request a free quote · See prices
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