For projects in Chicago
Cinema and multiplex soundproofing in Chicago
Screens stacked beside and above each other, each running full range at high level. Bleed between auditoria is the failure everyone hears, and it is decided by the shell, not the finishes. Churches, school gyms and multipurpose halls double as performance spaces, which means a room designed for neither speech nor music has to carry both.
- Screen to screen
- Independent construction between auditoria, with services broken at the line.
- In room response
- Heavy absorption on side and rear walls so the mix is heard as intended.
- Plant and projection
- Equipment noise into the auditorium, treated at source.
- Quote
- From a plan and a section, within 48 hours
01 / Start here
What this is, and what it changes in a Chicago room
Screens stacked beside and above each other, each running full range at high level. Bleed between auditoria is the failure everyone hears, and it is decided by the shell, not the finishes.
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 Chicago is mostly two-flats and three-flats, high-rise apartments, offices, venues, schools, clinics.
- Elevated rail past the window Trains at window height put noise in through the glazing, not through the wall. The facade is where the money should go first.
- Brick outside, timber inside Two-flats and three-flats have solid masonry outside and timber floors between families. Footfall travels down and masonry does nothing about it.
- Sealed against hard winters Buildings close up for months and mechanical systems run hard, so sound accumulates inside rather than escaping.
- Screen to screen Independent construction between auditoria, with services broken at the line.
Full specification
Thickness, density, NRC by frequency, fire class, standard sizes and build-up detail for cinema soundproofing are on the main product page. This page covers what that means for a project in Chicago.
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 Chicago, 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.
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 Chicago, churches, school gyms and multipurpose halls double as performance spaces, which means a room designed for neither speech nor music has to carry both.
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 Chicago, 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.
Ceiling first. In most rooms the ceiling is the largest untreated surface and the cheapest square metre of result.
Architects working in Chicago 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
The Chicago conditions that change the answer
- Elevated rail past the window
Trains at window height put noise in through the glazing, not through the wall. The facade is where the money should go first.
- Brick outside, timber inside
Two-flats and three-flats have solid masonry outside and timber floors between families. Footfall travels down and masonry does nothing about it.
- Sealed against hard winters
Buildings close up for months and mechanical systems run hard, so sound accumulates inside rather than escaping.
- No port, so plan the inland leg
Everything arrives at a coast and rails in. We quote the sea leg and the inland leg separately.
- 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.
04 / Room by room
Where the money goes on a Chicago project
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Screen to screen
Independent construction between auditoria, with services broken at the line. Trains at window height put noise in through the glazing, not through the wall. The facade is where the money should go first.
- SoundBlanket mass loaded vinyl, 2100 kg per cubic metre
- 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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In room response
Heavy absorption on side and rear walls so the mix is heard as intended. Two-flats and three-flats have solid masonry outside and timber floors between families. Footfall travels down and masonry does nothing about it.
- SoundBlanket mass loaded vinyl, STC 30, 5.25 kg per sq m
- Acoustic panels, Cut pattern in PET felt, adds visual rhythm without changing the absorber
- Acoustic carpet and rugs, Felt
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Plant and projection
Equipment noise into the auditorium, treated at source. Buildings close up for months and mechanical systems run hard, so sound accumulates inside rather than escaping.
- SoundBlanket mass loaded vinyl, STC 34, 8.4 kg per sq m
- Acoustic panels, ASTM C423
- Acoustic carpet and rugs, 64 sq ft per pack
Designers get colour, pattern and CNC options with the absorption figure attached to each. See how we work with interior designers.
04 / Climate
Why the climate in Chicago changes the material, not the target
Chicago 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.
Where a consultant is already engaged on a Chicago project, we supply to their specification and send the test reports rather than describing them. More on working with acoustic consultants.
06 / Read this first
Six mistakes that turn into a second fit-out
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A shared service void running across the wall line
Square metre for square metre the ceiling is the cheapest result in the room. Skipping it and buying wall panels instead is the most common way to overspend.
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Treating the auditorium to fix bleed from the next screen
It sounds like a small detail until the room is finished and the complaint arrives.
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Doors and lobbies specified late and undersized
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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Treating it as a generic Chicago job
Trains at window height put noise in through the glazing, not through the wall. The facade is where the money should go first.
05 / Getting it there
What the route into Chicago actually looks like
| Ships from | Palwal, Haryana, India |
|---|---|
| Arrives at | An East or Gulf coast port, then rail and road inland |
| Dispatch | 4 to 7 working days |
| Freight | Sea, then rail inland |
| 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 an East or Gulf coast port, then rail and road to Chicago. Air freight for samples and urgent quantities.
Questions from Chicago projects
What makes cinema and multiplex soundproofing different in Chicago?
Churches, school gyms and multipurpose halls double as performance spaces, which means a room designed for neither speech nor music has to carry both. Trains at window height put noise in through the glazing, not through the wall. The facade is where the money should go first.
Where should the budget go first on a Chicago project?
Screen to screen. Independent construction between auditoria, with services broken at the line. In room response. Heavy absorption on side and rear walls so the mix is heard as intended.
Do you have an office or installation team in Chicago?
No. We manufacture in India and supply into Chicago. 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 Chicago site?
ships from: Palwal, Haryana, India, arrives at: An East or Gulf coast port, then rail and road inland, 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?
A shared service void running across the wall line. Treating the auditorium to fix bleed from the next screen.
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 the drawings, get a straight answer
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.