For projects in Japan
Recording studio acoustics and soundproofing in Japan
Two jobs that must not be confused: keeping the building out, and making the room honest inside. The first is mass and decoupling and has to be built first. The second is absorption and diffusion and can be tuned later. A deep music and broadcast culture where isolation is expected and specified, not improvised.
- Isolation
- A measured background level, agreed before anything is bought.
- Low frequency
- Corner and boundary absorption with real depth, not surface foam.
- Early reflections
- Controlled at the mix position, and only there.
- Quote
- From a plan and a section, within 48 hours
01 / The material
What this material is and where it earns its place in Japan
Two jobs that must not be confused: keeping the building out, and making the room honest inside. The first is mass and decoupling and has to be built first. The second is absorption and diffusion and can be tuned later.
A deep music and broadcast culture where isolation is expected and specified, not improvised.
Work reaching us from Japan is mostly apartments and houses, offices, studios, hotels, schools, clinics.
- Small rooms, close neighbours Depth is genuinely scarce, so a thin build-up that performs is worth more than a thicker one that performs marginally better.
- Designed to move Seismic detailing means junctions that must stay flexible. An acoustic layer cannot bridge a movement joint rigidly.
- Precise expectations Specifications here are written carefully and checked properly. Send us the target and we will say plainly what our material reaches.
- Isolation A measured background level, agreed before anything is bought.
Full specification
Thickness, density, NRC by frequency, fire class, standard sizes and build-up detail for studio soundproofing are on the main product page. This page covers what that means for a project in Japan.
02 / The build-up
The build-up, layer by layer
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Layer 1
SoundBlanket mass loaded vinyl
A limp, high density sheet that adds mass to a partition, floor or duct without adding depth. In Japan, split units and VRF with outdoor units in very tight gaps between buildings.
Wall, decoupled. Independent stud, membrane between the boards, cavity absorption, two boards. The membrane is one part of a system, never the whole answer.
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Layer 2
Soundproofing materials
The blocking side of the range taken together: mass loaded vinyl, resilient layers, cavity absorption and the build-ups they belong in. In Japan, halls, temples and civic auditoria range from very controlled to very reverberant, and both need measured targets.
Resilient bar. Where a full independent leaf will not fit. Effective, and very easy to short circuit with one wrong screw.
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Layer 3
Soundproof curtains
A layered curtain with a mass loaded vinyl core, used where an opening has to stay an opening. In Japan, school buildings are hard surfaced with long corridors, and gymnasiums double as assembly halls.
Full height with return. Curtain taken floor to soffit with a side return and an overlap, because the gap is what leaks, not the fabric.
For a Japan practice, the useful thing is a detail you can put in a drawing set, not a brochure. See how we support architects.
03 / On the ground
What we see driving Japan briefs
- Small rooms, close neighbours
Depth is genuinely scarce, so a thin build-up that performs is worth more than a thicker one that performs marginally better.
- Designed to move
Seismic detailing means junctions that must stay flexible. An acoustic layer cannot bridge a movement joint rigidly.
- Precise expectations
Specifications here are written carefully and checked properly. Send us the target and we will say plainly what our material reaches.
- Humid summers
PET felt does not hold moisture or feed mould, which matters through a humid season in a sealed room.
- The housing stock
Timber frame houses and reinforced concrete mansions, with thin partitions in older stock and tight urban spacing throughout.
- The studio and content scene
A deep music and broadcast culture where isolation is expected and specified, not improvised.
04 / Room by room
Room by room, on a typical Japan job
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Isolation
A measured background level, agreed before anything is bought. Depth is genuinely scarce, so a thin build-up that performs is worth more than a thicker one that performs marginally better.
- SoundBlanket mass loaded vinyl, 2100 kg per cubic metre
- Soundproofing materials, 1800 x 900 x 20 mm, 100 kg per cubic metre, NRC 0.85
- Acoustic panels, Cut pattern in PET felt, adds visual rhythm without changing the absorber
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Low frequency
Corner and boundary absorption with real depth, not surface foam. Seismic detailing means junctions that must stay flexible. An acoustic layer cannot bridge a movement joint rigidly.
- SoundBlanket mass loaded vinyl, STC 30, 5.25 kg per sq m
- Soundproofing materials, Mass, then decoupling, then cavity absorption, then sealing
- Acoustic panels, ASTM C423
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Early reflections
Controlled at the mix position, and only there. Specifications here are written carefully and checked properly. Send us the target and we will say plainly what our material reaches.
- SoundBlanket mass loaded vinyl, STC 34, 8.4 kg per sq m
- Soundproofing materials, ASTM E90 for the barrier, ASTM C423 for the absorber
- Acoustic panels, 9 to 24 mm, 1220 x 2440 mm standard, up to 2440 x 4270 mm, 1200 to 3600 GSM
For a Japan interior where the finish leads, we will say plainly what each option costs you acoustically. See how we work with interior designers.
04 / Climate and durability
The Japan climate decides the material list
Japan is hot summers, mild winters and a distinct wet season, and that narrows the material list before acoustics is discussed.
PET felt handles the wet months without absorbing moisture or feeding mould. Timber and wood wool want a ventilated cavity and a stable indoor RH.
The failure we design against here is wet-season humidity behind linings.
Consultants get the raw data, not a sales sheet. That is the whole of our side of the job, and it is set out under working with acoustic consultants.
06 / Worth knowing
What we watch go wrong on jobs like this
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Buying foam to solve an isolation problem
It sounds like a small detail until the room is finished and the complaint arrives.
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Treating the room before the shell is isolated
Small on the drawing, expensive on site, and almost always found after handover.
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Killing the room completely and calling it controlled
A room can be over-treated. Past the target it stops sounding controlled and starts sounding dead, and you paid for that.
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Treating it as a generic Japan job
Depth is genuinely scarce, so a thin build-up that performs is worth more than a thicker one that performs marginally better.
05 / Logistics
Supply into Japan, start to site
| Ships from | Palwal, Haryana, India |
|---|---|
| Arrives at | Yokohama or Kobe, then road to site |
| Dispatch | 4 to 7 working days |
| Freight | Sea via Yokohama |
| Support | Drawings, build-ups, BOQ and material that arrives complete |
Standard items dispatch in 4 to 7 working days. The sea leg from India is long, so plan the full door to door window into the programme. We give real dates, not optimistic ones.
Sea freight into Yokohama or Kobe, then road to site. Air freight for samples and urgent quantities.
Questions from Japan projects
What makes recording studio acoustics and soundproofing different in Japan?
A deep music and broadcast culture where isolation is expected and specified, not improvised. Depth is genuinely scarce, so a thin build-up that performs is worth more than a thicker one that performs marginally better.
Where should the budget go first on a Japan project?
Isolation. A measured background level, agreed before anything is bought. Low frequency. Corner and boundary absorption with real depth, not surface foam.
Do you have an office or installation team in Japan?
No. We manufacture in India and supply into Japan. 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 Japan site?
ships from: Palwal, Haryana, India, arrives at: Yokohama or Kobe, then road to site, dispatch: 4 to 7 working days. Standard items dispatch in 4 to 7 working days. The sea leg from India is long, so plan the full door to door window into the programme. We give real dates, not optimistic ones.
What goes wrong most often on this kind of project?
Buying foam to solve an isolation problem. Treating the room before the shell is isolated.
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
Tell us the room, we will tell you the build-up
A plan and a section is enough. We will come back with a build-up, a BOQ and a delivered date, and we will say so if what you are asking for will not work.