For projects in Denver
Auditorium acoustics and soundproofing in Denver
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 / What it is
The product, described honestly, for a Denver brief
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 Denver is mostly multifamily apartments, offices, breweries and taprooms, schools, clinics, home theatres.
- Light frame multifamily at volume Thousands of units built to the same separating detail. If the detail underperforms it underperforms everywhere, which makes it worth solving on the drawing.
- Taprooms and hard rooms Breweries and taprooms are concrete, steel and glass by design. They are loud by construction, not by accident, and the ceiling plane is usually the only place to fix it.
- No port, so plan the road leg Everything arrives at a coast and drives in. We quote the sea leg and the road leg separately so you can see where the time goes.
- 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 Denver.
02 / The build-up
The build-up, layer by layer
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Layer 1
Wood wool acoustic panels
Wood fibre bound into a rigid board with an open texture. In Denver, 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.
On a cavity. Mounted on battens with an air gap, which is where the low mid performance comes from.
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Layer 2
PET felt acoustic panels
A rigid non-woven panel pressed from 100% polyester fibre, a large part of it recycled. In Denver, churches, school gyms and multipurpose halls double as performance spaces, which means a room designed for neither speech nor music has to carry both.
Over a porous backing. Panel over mineral or PET backing where the room needs genuine low mid control.
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Layer 3
Acoustic carpet and rugs
A tile carpet with a dense polyester face on a felt backing. In Denver, 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.
Over a resilient underlay. Where impact noise to the floor below is the actual complaint, the underlay does that work, not the carpet.
If you are specifying for a Denver project, we can give you a section, a BOQ and the honest limits of each layer. See how we support architects.
03 / In this market
What the buildings in Denver do to the specification
- Light frame multifamily at volume
Thousands of units built to the same separating detail. If the detail underperforms it underperforms everywhere, which makes it worth solving on the drawing.
- Taprooms and hard rooms
Breweries and taprooms are concrete, steel and glass by design. They are loud by construction, not by accident, and the ceiling plane is usually the only place to fix it.
- No port, so plan the road leg
Everything arrives at a coast and drives in. We quote the sea leg and the road leg separately so you can see where the time goes.
- Dry air, sealed buildings
Our PET felt does not shed fibre or degrade in dry conditions, and it holds its shape in rooms that stay closed and conditioned.
- 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
What each space in a Denver project needs
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Reverberation time
Set against use. Speech and music want different numbers, and a dual use hall needs a decision. Thousands of units built to the same separating detail. If the detail underperforms it underperforms everywhere, which makes it worth solving on the drawing.
- Wood wool acoustic panels, 1200 x 600 mm
- Wooden slat acoustic panels, 13-3, 14-2, 28-4 and 59-5
- 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. Breweries and taprooms are concrete, steel and glass by design. They are loud by construction, not by accident, and the ceiling plane is usually the only place to fix it.
- Wood wool acoustic panels, 20 mm
- Wooden slat acoustic panels, 2440 x 192 mm and 2440 x 128 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. Everything arrives at a coast and drives in. We quote the sea leg and the road leg separately so you can see where the time goes.
- Wood wool acoustic panels, 400 kg per cubic metre
- Wooden slat acoustic panels, 14, 16 and 18 mm
- Ceiling baffles and clouds, ASTM C423
If the visual is fixed and the room still has to perform, that is a solvable problem and a conversation worth having early. See how we work with interior designers.
04 / Conditions
Why the climate in Denver changes the material, not the target
Denver 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.
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 / Straight talk
The six errors that cost the most
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Absorbing the whole room and losing the back rows
This is the one that comes back as a second fit-out rather than a snag.
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Adding speakers to fix a reverberation problem
It sounds like a small detail until the room is finished and the complaint arrives.
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Ignoring the rear wall because it is behind the audience
This is the one that comes back as a second fit-out rather than a snag.
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Treating it as a generic Denver job
Thousands of units built to the same separating detail. If the detail underperforms it underperforms everywhere, which makes it worth solving on the drawing.
05 / Route to site
What the route into Denver actually looks like
| Ships from | Palwal, Haryana, India |
|---|---|
| Arrives at | Houston or the West Coast, then road inland |
| Dispatch | 4 to 7 working days |
| Freight | Sea, then road 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 Houston or the West Coast, then road inland to Denver. Air freight for samples and urgent quantities.
Questions from Denver projects
What makes auditorium acoustics and soundproofing different in Denver?
Churches, school gyms and multipurpose halls double as performance spaces, which means a room designed for neither speech nor music has to carry both. Thousands of units built to the same separating detail. If the detail underperforms it underperforms everywhere, which makes it worth solving on the drawing.
Where should the budget go first on a Denver 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 Denver?
No. We manufacture in India and supply into Denver. 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 Denver site?
ships from: Palwal, Haryana, India, arrives at: Houston or the West Coast, then 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?
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
Tell us the room, we will tell you the build-up
One drawing gets you a proper answer. Build-up, quantities, a delivered date, and an honest note on anything we think is the wrong approach.