For projects in Prayagraj
Auditorium acoustics and soundproofing in Prayagraj
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. Banquet halls, marriage lawns and auditoria are large hard volumes where amplified speech and music run late into the night.
- 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 product
What this material is and where it earns its place in Prayagraj
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.
Banquet halls, marriage lawns and auditoria are large hard volumes where amplified speech and music run late into the night.
Work reaching us from Prayagraj is mostly coaching institutes, courtrooms, colleges, auditoriums, assembly halls, offices, clinics.
- Rooms built for listening Coaching halls and lecture rooms pack people into hard spaces. Intelligibility fails long before anyone describes the room as echoing.
- Courtrooms and hearing spaces Every word has to be understood and recorded. That needs controlled absorption and a low background, in that order.
- Large assembly at scale Very large halls hold sound for a long time. Absorption has to be placed where it recovers speech, not spread evenly to hit a number.
- 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 Prayagraj.
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 Prayagraj, 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.
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 Prayagraj, banquet halls, marriage lawns and auditoria are large hard volumes where amplified speech and music run late into the night.
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 Prayagraj, large government and private schools in concrete and tile with very large class sizes, and long open corridors that feed every classroom off them.
Loose lay on tackifier. Tiles lifted individually for access under a raised floor, which is why tile beats broadloom in an office.
For a Prayagraj practice, the useful thing is a detail you can put in a drawing set, not a brochure. See how we support architects.
03 / What drives the brief
The Prayagraj conditions that change the answer
- Rooms built for listening
Coaching halls and lecture rooms pack people into hard spaces. Intelligibility fails long before anyone describes the room as echoing.
- Courtrooms and hearing spaces
Every word has to be understood and recorded. That needs controlled absorption and a low background, in that order.
- Large assembly at scale
Very large halls hold sound for a long time. Absorption has to be placed where it recovers speech, not spread evenly to hit a number.
- Two to three days by road
A dedicated truck from Palwal, and samples ahead of the order so the finish is approved first.
- Assembly and performance rooms
Banquet halls, marriage lawns and auditoria are large hard volumes where amplified speech and music run late into the night.
- School and campus buildings
Large government and private schools in concrete and tile with very large class sizes, and long open corridors that feed every classroom off them.
04 / Room by room
Where the money goes on a Prayagraj project
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Reverberation time
Set against use. Speech and music want different numbers, and a dual use hall needs a decision. Coaching halls and lecture rooms pack people into hard spaces. Intelligibility fails long before anyone describes the room as echoing.
- Wood wool acoustic panels, 1200 x 600 mm
- Wooden slat acoustic panels, 13-3, 14-2, 28-4 and 59-5
- PET felt acoustic panels, 4 to 24 mm
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Early reflections
Shaped surfaces that send energy to the rear seats rather than absorbing everything. Every word has to be understood and recorded. That needs controlled absorption and a low background, in that order.
- Wood wool acoustic panels, 20 mm
- Wooden slat acoustic panels, 2440 x 192 mm and 2440 x 128 mm
- PET felt acoustic panels, 1220 x 2440 mm standard, 4 x 8 ft
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Rear wall
The single worst surface in most halls, and the first one to treat. Very large halls hold sound for a long time. Absorption has to be placed where it recovers speech, not spread evenly to hit a number.
- Wood wool acoustic panels, 400 kg per cubic metre
- Wooden slat acoustic panels, 14, 16 and 18 mm
- PET felt acoustic panels, 2440 x 4270 mm, 2.44 x 4.27 m, 8 x 14 ft
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 Prayagraj climate decides the material list
Prayagraj is hot summers, mild winters and a distinct wet season, and that narrows the material list before acoustics is discussed.
PET felt handles the wet months without absorbing moisture or feeding mould. Timber and wood wool want a ventilated cavity and a stable indoor RH.
The failure we design against here is wet-season humidity behind linings.
Where a consultant is already engaged on a Prayagraj project, we supply to their specification and send the test reports rather than describing them. More on working with acoustic consultants.
06 / Straight talk
Where this kind of project usually fails
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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
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 Prayagraj job
Coaching halls and lecture rooms pack people into hard spaces. Intelligibility fails long before anyone describes the room as echoing.
05 / Getting it there
What the route into Prayagraj actually looks like
| Made at | Our own plant, Palwal, Haryana |
|---|---|
| Reaches site in | two to three days |
| Dispatch | 2 to 4 working days |
| To site | two to three 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 seven hundred and fifty kilometres, normally two to three days on a dedicated truck.
Questions from Prayagraj projects
What makes auditorium acoustics and soundproofing different in Prayagraj?
Banquet halls, marriage lawns and auditoria are large hard volumes where amplified speech and music run late into the night. Coaching halls and lecture rooms pack people into hard spaces. Intelligibility fails long before anyone describes the room as echoing.
Where should the budget go first on a Prayagraj 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 Prayagraj?
No. We manufacture in India and supply into Prayagraj. 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 Prayagraj site?
made at: Our own plant, Palwal, Haryana, reaches site in: two to three 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?
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
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.