For projects in New York
Auditorium acoustics and soundproofing in New York
A large hard volume where speech falls apart long before anyone calls the room echoey. The target is intelligibility at the back row, which is a reverberation and early reflection problem, not a loudspeaker problem. Churches, school gyms and multipurpose halls double as performance spaces, which means a room designed for neither speech nor music has to carry both.
- Reverberation time
- Set against use. Speech and music want different numbers, and a dual use hall needs a decision.
- Early reflections
- Shaped surfaces that send energy to the rear seats rather than absorbing everything.
- Rear wall
- The single worst surface in most halls, and the first one to treat.
- Quote
- From a plan and a section, within 48 hours
01 / The material
What you are buying, and what it fixes in New York
A large hard volume where speech falls apart long before anyone calls the room echoey. The target is intelligibility at the back row, which is a reverberation and early reflection problem, not a loudspeaker problem.
Churches, school gyms and multipurpose halls double as performance spaces, which means a room designed for neither speech nor music has to carry both.
Work reaching us from New York is mostly pre-war apartments, brownstones, offices, studios, restaurants, clinics, schools.
- Boards decide the build-up Co-op and condo rules on floor coverings and separating construction usually set the requirement before any acoustic target does. Get the rule first, then design to it.
- Pre-war buildings, timber floors Older stock passes footfall straight down through the joists. A resilient layer under the finish does more than anything applied to the ceiling below.
- Depth is expensive here Floor area costs enough that a wall growing a hundred millimetres into the room is a real number. Thin and effective beats thick and theoretical.
- Reverberation time Set against use. Speech and music want different numbers, and a dual use hall needs a decision.
Full specification
Thickness, density, NRC by frequency, fire class, standard sizes and build-up detail for auditorium acoustics are on the main product page. This page covers what that means for a project in New York.
02 / The build-up
The stack, in the order it is installed
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Layer 1
Wood wool acoustic panels
Wood fibre bound into a rigid board with an open texture. In New York, packaged rooftop units and ducted forced air are standard, so noise arrives through the duct rather than through the wall. Lining the first three metres of duct and treating the return path is usually the whole job.
Direct fix. Mechanically fixed to the soffit or wall. Durable and simple.
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Layer 2
Ceiling baffles and clouds
PET felt suspended from the soffit, vertically as baffles or horizontally as clouds. In New York, churches, school gyms and multipurpose halls double as performance spaces, which means a room designed for neither speech nor music has to carry both.
Horizontal clouds. Flat rafts over the occupied zone, which also reflect early speech energy back down where it helps.
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Layer 3
Acoustic carpet and rugs
A tile carpet with a dense polyester face on a felt backing. In New York, public school buildings run long corridors with hard floors and lay-in tile ceilings that were chosen for cost, not for speech. Classroom reverberation and corridor spill are the two complaints, and both respond to ceiling area rather than wall panels.
Zoned. Carpet in the circulation and meeting zones, hard floor elsewhere, so the treatment sits where the noise is made.
We would rather argue about the build-up at design stage than on site. See how we support architects.
03 / On the ground
What the buildings in New York do to the specification
- Boards decide the build-up
Co-op and condo rules on floor coverings and separating construction usually set the requirement before any acoustic target does. Get the rule first, then design to it.
- Pre-war buildings, timber floors
Older stock passes footfall straight down through the joists. A resilient layer under the finish does more than anything applied to the ceiling below.
- Depth is expensive here
Floor area costs enough that a wall growing a hundred millimetres into the room is a real number. Thin and effective beats thick and theoretical.
- Subway and street
Ground level and underground rail put low frequency into the structure. Panels on a wall will not touch it and we will say so.
- Assembly and performance rooms
Churches, school gyms and multipurpose halls double as performance spaces, which means a room designed for neither speech nor music has to carry both.
- School and campus buildings
Public school buildings run long corridors with hard floors and lay-in tile ceilings that were chosen for cost, not for speech. Classroom reverberation and corridor spill are the two complaints, and both respond to ceiling area rather than wall panels.
04 / Room by room
Space by space, for New York briefs
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Reverberation time
Set against use. Speech and music want different numbers, and a dual use hall needs a decision. Co-op and condo rules on floor coverings and separating construction usually set the requirement before any acoustic target does. Get the rule first, then design to it.
- Wood wool acoustic panels, 1200 x 600 mm
- PET felt acoustic panels, 9, 12, 18 and 24 mm standard, tolerance plus or minus 5 percent
- Ceiling baffles and clouds, Made to the drawing, standard and custom
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Early reflections
Shaped surfaces that send energy to the rear seats rather than absorbing everything. Older stock passes footfall straight down through the joists. A resilient layer under the finish does more than anything applied to the ceiling below.
- Wood wool acoustic panels, 20 mm
- PET felt acoustic panels, 4 to 24 mm
- Ceiling baffles and clouds, Both faces work, which is why suspended area outperforms the same area laid flat
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Rear wall
The single worst surface in most halls, and the first one to treat. Floor area costs enough that a wall growing a hundred millimetres into the room is a real number. Thin and effective beats thick and theoretical.
- Wood wool acoustic panels, 400 kg per cubic metre
- PET felt acoustic panels, 1220 x 2440 mm standard, 4 x 8 ft
- Ceiling baffles and clouds, ASTM C423
For a New York interior where the finish leads, we will say plainly what each option costs you acoustically. See how we work with interior designers.
04 / Climate
The New York climate decides the material list
New York is mild summers and cold, wet winters, and that narrows the material list before acoustics is discussed.
Cold external walls and long heating seasons make condensation behind a lining the thing to design out. PET felt is unaffected by damp air.
The failure we design against here is condensation and cold bridging behind new linings.
On a New York job with a consultant involved, our part is material that matches the submitted data. See working with acoustic consultants.
06 / Before you buy
Where this kind of project usually fails
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Absorbing the whole room and losing the back rows
It sounds like a small detail until the room is finished and the complaint arrives.
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Adding speakers to fix a reverberation problem
Small on the drawing, expensive on site, and almost always found after handover.
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Ignoring the rear wall because it is behind the audience
It sounds like a small detail until the room is finished and the complaint arrives.
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Treating it as a generic New York job
Co-op and condo rules on floor coverings and separating construction usually set the requirement before any acoustic target does. Get the rule first, then design to it.
05 / Supply
Getting it to New York, with real dates
| Ships from | Palwal, Haryana, India |
|---|---|
| Arrives at | Port of New York and New Jersey, then a short road run |
| Dispatch | 4 to 7 working days |
| Freight | Sea into New York |
| 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 the Port of New York and New Jersey, then a short road run to site. Air freight for samples and urgent quantities.
Questions from New York projects
What makes auditorium acoustics and soundproofing different in New York?
Churches, school gyms and multipurpose halls double as performance spaces, which means a room designed for neither speech nor music has to carry both. Co-op and condo rules on floor coverings and separating construction usually set the requirement before any acoustic target does. Get the rule first, then design to it.
Where should the budget go first on a New York project?
Reverberation time. Set against use. Speech and music want different numbers, and a dual use hall needs a decision. Early reflections. Shaped surfaces that send energy to the rear seats rather than absorbing everything.
Do you have an office or installation team in New York?
No. We manufacture in India and supply into New York. 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 New York site?
ships from: Palwal, Haryana, India, arrives at: Port of New York and New Jersey, then a short road run, 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?
Absorbing the whole room and losing the back rows. Adding speakers to fix a reverberation problem.
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
Drawings in, BOQ and a delivered date out
Send what you have. We will give you a layer by layer build-up, a bill of quantities and a date material lands, and we will flag anything in the brief that will not achieve what you want.