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School and classroom acoustics in Ho Chi Minh City
Hard floors, bare walls and long corridors that amplify everything. Children with developing language, and anyone with a hearing difficulty, lose more from a live classroom than adults do, which is why intelligibility is the target rather than quiet. Classrooms are hard, naturally ventilated and open to street noise, with large class sizes.
- Classroom RT
- A number, set against room volume, achieved mostly at the ceiling.
- Corridor spill
- Long hard circulation feeds every room off it. Treating the corridor helps every classroom at once.
- Halls and gyms
- Dual use rooms carrying speech, music and sport, where durability decides the product.
- Quote
- From a plan and a section, within 48 hours
01 / The material
What you are buying, and what it fixes in Ho Chi Minh City
Hard floors, bare walls and long corridors that amplify everything. Children with developing language, and anyone with a hearing difficulty, lose more from a live classroom than adults do, which is why intelligibility is the target rather than quiet.
Classrooms are hard, naturally ventilated and open to street noise, with large class sizes.
Work reaching us from Ho Chi Minh City is mostly tube houses and apartments, towers and offices, manufacturing, hotels, schools, clinics.
- Narrow, deep, shared on both sides The tube house has party walls left and right and an open front onto the street, so noise arrives from three directions at once.
- Traffic never stops Constant street noise gets in through openings and glazing. The facade is where the first money should go, not the wall.
- New towers, hard interiors Concrete frames with tile and glass inside. The structure blocks, the room rings.
- Classroom RT A number, set against room volume, achieved mostly at the ceiling.
Full specification
Thickness, density, NRC by frequency, fire class, standard sizes and build-up detail for school acoustics are on the main product page. This page covers what that means for a project in Ho Chi Minh City.
02 / The build-up
How the layers stack, from the structure inwards
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Layer 1
Wood wool acoustic panels
Wood fibre bound into a rigid board with an open texture. In Ho Chi Minh City, split units with condensers on facades and in narrow gaps between buildings that act as reverberant shafts.
With a porous backing. Board over mineral backing where the room needs more than the board alone gives.
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Layer 2
Acoustic panels
The full absorber range rather than one product: plain PET felt, printed felt, grooved panels and fabric finishes, chosen by how the room is used and how it has to look. In Ho Chi Minh City, function halls, places of worship and conference rooms are hard volumes carrying amplified speech and music.
Ceiling first. In most rooms the ceiling is the largest untreated surface and the cheapest square metre of result.
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Layer 3
Acoustic carpet and rugs
A tile carpet with a dense polyester face on a felt backing. In Ho Chi Minh City, classrooms are hard, naturally ventilated and open to street noise, with large class sizes.
Over a resilient underlay. Where impact noise to the floor below is the actual complaint, the underlay does that work, not the carpet.
Architects working in Ho Chi Minh City usually need the build-up before the product. We will draw the section and mark what does the work. See how we support architects.
03 / Local conditions
What decides the build-up in Ho Chi Minh City
- Narrow, deep, shared on both sides
The tube house has party walls left and right and an open front onto the street, so noise arrives from three directions at once.
- Traffic never stops
Constant street noise gets in through openings and glazing. The facade is where the first money should go, not the wall.
- New towers, hard interiors
Concrete frames with tile and glass inside. The structure blocks, the room rings.
- Tropical humidity all year
PET felt does not hold moisture or feed mould, which matters where mineral products sag within a couple of seasons.
- Assembly and performance rooms
Function halls, places of worship and conference rooms are hard volumes carrying amplified speech and music.
- School and campus buildings
Classrooms are hard, naturally ventilated and open to street noise, with large class sizes.
04 / Room by room
Space by space, for Ho Chi Minh City briefs
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Classroom RT
A number, set against room volume, achieved mostly at the ceiling. The tube house has party walls left and right and an open front onto the street, so noise arrives from three directions at once.
- PET felt acoustic panels, 100% PET non-woven, no added binder
- Acoustic panels, 1800 x 900 mm, image printed into the felt rather than onto a facing
- Acoustic carpet and rugs, High density polyester
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Corridor spill
Long hard circulation feeds every room off it. Treating the corridor helps every classroom at once. Constant street noise gets in through openings and glazing. The facade is where the first money should go, not the wall.
- PET felt acoustic panels, 9, 12, 18 and 24 mm standard, tolerance plus or minus 5 percent
- Acoustic panels, Cut pattern in PET felt, adds visual rhythm without changing the absorber
- Acoustic carpet and rugs, Felt
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Halls and gyms
Dual use rooms carrying speech, music and sport, where durability decides the product. Concrete frames with tile and glass inside. The structure blocks, the room rings.
- PET felt acoustic panels, 4 to 24 mm
- Acoustic panels, ASTM C423
- Acoustic carpet and rugs, 64 sq ft per pack
Interior designers tend to arrive with the look already decided. We will tell you which finish gets there without losing the acoustics. See how we work with interior designers.
04 / Durability
The Ho Chi Minh City climate decides the material list
Ho Chi Minh City is warm and humid through most of the year, with a long wet season, and that narrows the material list before acoustics is discussed.
Humidity is the deciding factor. PET felt does not absorb moisture, shed fibre or feed mould, which is why it outlasts fabric-wrapped mineral wool in this climate. Wood wool and timber need a ventilated cavity behind them.
The failure we design against here is mould, sagging fabric finishes and swelling in timber.
Where a consultant is already engaged on a Ho Chi Minh City project, we supply to their specification and send the test reports rather than describing them. More on working with acoustic consultants.
06 / Before you buy
Six mistakes that turn into a second fit-out
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Panels at child height where they get damaged
It sounds like a small detail until the room is finished and the complaint arrives.
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Treating one classroom and leaving the corridor
It sounds like a small detail until the room is finished and the complaint arrives.
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Choosing a product that cannot take a football
Enclose the machine, break the vibration path, then deal with what is left. Doing it in the other order costs more and achieves less.
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Treating it as a generic Ho Chi Minh City job
The tube house has party walls left and right and an open front onto the street, so noise arrives from three directions at once.
05 / Supply
How material reaches a Ho Chi Minh City site
| Ships from | Palwal, Haryana, India |
|---|---|
| Arrives at | Cat Lai or Cai Mep, then a short road run into the city |
| Dispatch | 4 to 7 working days |
| Freight | Sea via Cat Lai or Cai Mep |
| Support | Drawings, build-ups, BOQ and material that arrives complete |
Standard items dispatch in 4 to 7 working days. Grooved panels and custom colours take longer, and we say so before you order, not after.
Sea freight into Cat Lai or Cai Mep, then a short road run into the city. Air freight for samples and urgent quantities.
Questions from Ho Chi Minh City projects
What makes school and classroom acoustics different in Ho Chi Minh City?
Classrooms are hard, naturally ventilated and open to street noise, with large class sizes. The tube house has party walls left and right and an open front onto the street, so noise arrives from three directions at once.
Where should the budget go first on a Ho Chi Minh City project?
Classroom RT. A number, set against room volume, achieved mostly at the ceiling. Corridor spill. Long hard circulation feeds every room off it. Treating the corridor helps every classroom at once.
Do you have an office or installation team in Ho Chi Minh City?
No. We manufacture in India and supply into Ho Chi Minh City. We give you drawings, build-ups, a BOQ and material that arrives complete, and we will tell you plainly when a job needs a local contractor we cannot be.
How does material get to a Ho Chi Minh City site?
ships from: Palwal, Haryana, India, arrives at: Cat Lai or Cai Mep, then a short road run into the city, dispatch: 4 to 7 working days. Standard items dispatch in 4 to 7 working days. Grooved panels and custom colours take longer, and we say so before you order, not after.
What goes wrong most often on this kind of project?
Panels at child height where they get damaged. Treating one classroom and leaving the corridor.
What do you need from us to quote?
A plan, a section through the critical partition or ceiling, and what the room is for. From that we can give a build-up and a BOQ rather than a price per square foot.
Next step
Send a plan and a section, get a real build-up
We quote from drawings, not from a square foot rate. Send a plan and the section through the critical wall or ceiling and you will get something you can actually build from.