For projects in Auckland
Auditorium acoustics and soundproofing in Auckland
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. School halls, marae and community centres carry speech and performance in the same hard room.
- 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 material, and what it actually does on a Auckland job
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.
School halls, marae and community centres carry speech and performance in the same hard room.
Work reaching us from Auckland is mostly apartments and townhouses, offices, hospitality, schools, clinics, studios.
- Apartments built light and fast Townhouse and apartment stock built quickly in timber frame. The separating construction is where noise complaints concentrate.
- Weathertightness shapes the build-up Wall assemblies here are designed around drainage and drying. An acoustic layer has to work with that, not trap moisture in it.
- Volcanic ground, seismic detailing Flexible junctions are required, so a rigid acoustic bridge across a movement joint is not acceptable.
- 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 Auckland.
02 / The build-up
What goes where, from the structure in
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Layer 1
Wood wool acoustic panels
Wood fibre bound into a rigid board with an open texture. In Auckland, heat pumps and ducted systems, with outdoor units close to boundaries in dense suburbs.
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 Auckland, school halls, marae and community centres carry speech and performance in the same hard room.
On a 25 to 50 mm air gap. The same panel on battens. The air gap moves absorption down in frequency at no extra material cost, and is the cheapest improvement available.
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Layer 3
Acoustic carpet and rugs
A tile carpet with a dense polyester face on a felt backing. In Auckland, classroom acoustics are taken seriously and open plan learning spaces are common, which makes speech intelligibility the design target.
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 / What drives the brief
The Auckland conditions that change the answer
- Apartments built light and fast
Townhouse and apartment stock built quickly in timber frame. The separating construction is where noise complaints concentrate.
- Weathertightness shapes the build-up
Wall assemblies here are designed around drainage and drying. An acoustic layer has to work with that, not trap moisture in it.
- Volcanic ground, seismic detailing
Flexible junctions are required, so a rigid acoustic bridge across a movement joint is not acceptable.
- The port is in the city
Direct sea into Auckland keeps the road leg short, though the sea leg itself is long and we quote it fully.
- Assembly and performance rooms
School halls, marae and community centres carry speech and performance in the same hard room.
- School and campus buildings
Classroom acoustics are taken seriously and open plan learning spaces are common, which makes speech intelligibility the design target.
04 / Room by room
Space by space, for Auckland briefs
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Reverberation time
Set against use. Speech and music want different numbers, and a dual use hall needs a decision. Townhouse and apartment stock built quickly in timber frame. The separating construction is where noise complaints concentrate.
- Wood wool acoustic panels, 1200 x 600 mm
- Wooden slat acoustic panels, 13-3, 14-2, 28-4 and 59-5
- Acoustic carpet and rugs, High density polyester
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Early reflections
Shaped surfaces that send energy to the rear seats rather than absorbing everything. Wall assemblies here are designed around drainage and drying. An acoustic layer has to work with that, not trap moisture in it.
- Wood wool acoustic panels, 20 mm
- Wooden slat acoustic panels, 2440 x 192 mm and 2440 x 128 mm
- Acoustic carpet and rugs, Felt
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Rear wall
The single worst surface in most halls, and the first one to treat. Flexible junctions are required, so a rigid acoustic bridge across a movement joint is not acceptable.
- Wood wool acoustic panels, 400 kg per cubic metre
- Wooden slat acoustic panels, 14, 16 and 18 mm
- Acoustic carpet and rugs, 64 sq ft per pack
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 / Durability
The Auckland climate decides the material list
Auckland is cool and damp, with long heating seasons and cold external walls, and that narrows the material list before acoustics is discussed.
Cold wall build-ups and long heating seasons mean interstitial condensation is a real risk behind any lining. PET felt is unaffected by damp air and will not feed mould where a fabric-faced mineral product would.
The failure we design against here is condensation behind linings in older, poorly insulated stock.
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
Six mistakes that turn into a second fit-out
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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
This is the one that comes back as a second fit-out rather than a snag.
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Ignoring the rear wall because it is behind the audience
Small on the drawing, expensive on site, and almost always found after handover.
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Treating it as a generic Auckland job
Townhouse and apartment stock built quickly in timber frame. The separating construction is where noise complaints concentrate.
05 / Logistics
Supply into Auckland, start to site
| Ships from | Palwal, Haryana, India |
|---|---|
| Arrives at | Auckland, then a short road run to site |
| Dispatch | 4 to 7 working days |
| Freight | Sea into Auckland |
| 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 direct into Auckland, then a short road run to site. Air freight for samples and urgent quantities.
Questions from Auckland projects
What makes auditorium acoustics and soundproofing different in Auckland?
School halls, marae and community centres carry speech and performance in the same hard room. Townhouse and apartment stock built quickly in timber frame. The separating construction is where noise complaints concentrate.
Where should the budget go first on a Auckland 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 Auckland?
No. We manufacture in India and supply into Auckland. 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 Auckland site?
ships from: Palwal, Haryana, India, arrives at: Auckland, then a short road run 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?
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
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.