For projects in Mumbai
Venue and restaurant acoustics in Mumbai
Two different jobs that get quoted as one: keeping bass inside the building for the neighbours, and making the room comfortable enough that guests can talk. Solving one does nothing for the other. Auditoriums, banquet halls and places of worship are large hard volumes in concrete and stone where speech falls apart long before anyone calls the room echoey.
- Containment
- Low frequency through structure to flats above and beside. Mass, decoupling and a sealed envelope.
- Table level comfort
- Absorption at the ceiling so guests stop raising their voices at each other.
- Entrance and service
- Doors, lobbies and extract paths, which is where most of the leakage actually is.
- Quote
- From a plan and a section, within 48 hours
01 / The product
What this is, and what it changes in a Mumbai room
Two different jobs that get quoted as one: keeping bass inside the building for the neighbours, and making the room comfortable enough that guests can talk. Solving one does nothing for the other.
Auditoriums, banquet halls and places of worship are large hard volumes in concrete and stone where speech falls apart long before anyone calls the room echoey.
Work reaching us from Mumbai is mostly recording studios, offices, flats and redevelopment towers, restaurants, clinics, schools.
- Every centimetre is paid for At Mumbai rates a wall that grows a hundred millimetres into the room costs real money. A dense membrane with a resilient break usually beats a thick framed build-up here.
- The studio capital More recording and dubbing rooms per square kilometre than anywhere else we supply. They sit inside occupied buildings, so isolation comes before tuning, always.
- Monsoon damp defeats the wrong material PET felt does not absorb moisture, shed fibre or feed mould. Mineral products sag here within a couple of seasons.
- Containment Low frequency through structure to flats above and beside. Mass, decoupling and a sealed envelope.
Full specification
Thickness, density, NRC by frequency, fire class, standard sizes and build-up detail for venue soundproofing are on the main product page. This page covers what that means for a project in Mumbai.
Nightclub and venue soundproofing SoundBlanket mass loaded vinyl
02 / The build-up
The stack, in the order it is installed
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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 Mumbai, split units, VRF outdoor banks and diesel generator sets sit close to occupied areas, often on the same terrace as a bedroom. Generator enclosure and condenser screening are the recurring jobs.
Floor, floating. Membrane under a resilient layer and a floating deck, so impact energy is broken before it reaches the slab.
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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 Mumbai, auditoriums, banquet halls and places of worship are large hard volumes in concrete and stone where speech falls apart long before anyone calls the room echoey.
Floating floor. Resilient layer and deck, to break impact energy before it reaches the structure.
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Layer 3
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 Mumbai, schools range from compact municipal buildings to large private campuses, all hard surfaced, with assembly halls doing duty as performance spaces.
Wall array. Panels placed at first reflection points rather than spread evenly. Fewer panels, better result.
We would rather argue about the build-up at design stage than on site. See how we support architects.
03 / Local conditions
What we see driving Mumbai briefs
- Every centimetre is paid for
At Mumbai rates a wall that grows a hundred millimetres into the room costs real money. A dense membrane with a resilient break usually beats a thick framed build-up here.
- The studio capital
More recording and dubbing rooms per square kilometre than anywhere else we supply. They sit inside occupied buildings, so isolation comes before tuning, always.
- Monsoon damp defeats the wrong material
PET felt does not absorb moisture, shed fibre or feed mould. Mineral products sag here within a couple of seasons.
- Redevelopment, built fast
Old buildings replaced by towers on tight programmes. Acoustic detail is easy to lose unless it is specified before the slab is poured.
- Assembly and performance rooms
Auditoriums, banquet halls and places of worship are large hard volumes in concrete and stone where speech falls apart long before anyone calls the room echoey.
04 / Room by room
Room by room, on a typical Mumbai job
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Containment
Low frequency through structure to flats above and beside. Mass, decoupling and a sealed envelope. At Mumbai rates a wall that grows a hundred millimetres into the room costs real money. A dense membrane with a resilient break usually beats a thick framed build-up here.
- Soundproofing materials, 2100 kg per cubic metre. 2.5 mm STC 30 at 5.25 kg per sq m, 4 mm STC 34 at 8.4, 6 mm at 12.6
- Acoustic panels, 1800 x 900 mm, image printed into the felt rather than onto a facing
- Wooden slat acoustic panels, 2440 x 192 mm and 2440 x 128 mm
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Table level comfort
Absorption at the ceiling so guests stop raising their voices at each other. More recording and dubbing rooms per square kilometre than anywhere else we supply. They sit inside occupied buildings, so isolation comes before tuning, always.
- 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
- Wooden slat acoustic panels, 14, 16 and 18 mm
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Entrance and service
Doors, lobbies and extract paths, which is where most of the leakage actually is. PET felt does not absorb moisture, shed fibre or feed mould. Mineral products sag here within a couple of seasons.
- Soundproofing materials, Mass, then decoupling, then cavity absorption, then sealing
- Acoustic panels, ASTM C423
- Wooden slat acoustic panels, 96 sq ft per unit
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 / Conditions
What the Mumbai climate rules in and rules out
Mumbai 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.
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
The six errors that cost the most
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Panels on the wall as a neighbour noise solution
Small on the drawing, expensive on site, and almost always found after handover.
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A lobby with both doors able to open at once
A gap undoes the partition it sits in. Sealing is the cheapest line on the quote and the first one to get cut.
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Extract ducting that bypasses every wall you built
Plant noise treated as a room problem is the most reliable way to spend a budget and change nothing anyone can hear.
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Treating it as a generic Mumbai job
At Mumbai rates a wall that grows a hundred millimetres into the room costs real money. A dense membrane with a resilient break usually beats a thick framed build-up here.
05 / Supply
What the route into Mumbai actually looks like
| Made at | Our own plant, Palwal, Haryana |
|---|---|
| Reaches site in | three to four days |
| Dispatch | 2 to 4 working days |
| To site | three to four days |
| Support | Drawings, build-ups, BOQ and material that arrives complete |
Standard items dispatch in 2 to 4 working days from our plant at Palwal. Grooved panels and custom colours take longer, and we say so before you order, not after.
By road from Palwal, roughly fourteen hundred kilometres, normally three to four days on a dedicated truck.
Questions from Mumbai projects
What makes venue and restaurant acoustics different in Mumbai?
Auditoriums, banquet halls and places of worship are large hard volumes in concrete and stone where speech falls apart long before anyone calls the room echoey. At Mumbai rates a wall that grows a hundred millimetres into the room costs real money. A dense membrane with a resilient break usually beats a thick framed build-up here.
Where should the budget go first on a Mumbai project?
Containment. Low frequency through structure to flats above and beside. Mass, decoupling and a sealed envelope. Table level comfort. Absorption at the ceiling so guests stop raising their voices at each other.
Do you have an office or installation team in Mumbai?
No. We manufacture in India and supply into Mumbai. 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 Mumbai site?
made at: Our own plant, Palwal, Haryana, reaches site in: three to four days, dispatch: 2 to 4 working days. Standard items dispatch in 2 to 4 working days from our plant at Palwal. 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 on the wall as a neighbour noise solution. A lobby with both doors able to open at once.
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
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.