For projects in Vapi
HVAC, plant and machine noise control in Vapi
Noise with a source. Almost every honest fix is at the machine, the duct or the plant room, and almost nothing useful happens by lining the far wall of the occupied space. Heavy industrial plant across the state, so compressors, presses and generator sets sit close to offices and canteens inside the same building.
- At source
- Enclosure, barrier or anti vibration mounts at the machine.
- In the path
- Duct lining, attenuators and lagging on the first run out of the plant.
- At the receiver
- Only after the first two, and only for what is left.
- Quote
- From a plan and a section, within 48 hours
01 / Start here
What this is, and what it changes in a Vapi room
Noise with a source. Almost every honest fix is at the machine, the duct or the plant room, and almost nothing useful happens by lining the far wall of the occupied space.
Heavy industrial plant across the state, so compressors, presses and generator sets sit close to offices and canteens inside the same building.
Work reaching us from Vapi is mostly process and chemical plants, utility and pump rooms, control rooms, offices, worker areas, clinics.
- Boundary noise matters Housing sits close to industry here. Containing sound inside the site is a separate design from making the control room usable.
- Plant runs continuously Pumps, compressors and blowers do not stop, so the noise is constant rather than intermittent. Enclosure at the source is the only answer that holds.
- Control rooms need a low floor Operators listening for alarms need background noise down before anything else matters.
- At source Enclosure, barrier or anti vibration mounts at the machine.
Full specification
Thickness, density, NRC by frequency, fire class, standard sizes and build-up detail for HVAC and plant noise control are on the main product page. This page covers what that means for a project in Vapi.
02 / The build-up
The build-up, layer by layer
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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 Vapi, heavy industrial plant across the state, so compressors, presses and generator sets sit close to offices and canteens inside the same building.
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
Wood wool acoustic panels
Wood fibre bound into a rigid board with an open texture. In Vapi, auditoriums, banquet halls and places of worship are large hard volumes in concrete and stone where speech falls apart long before anyone calls the room echoey.
On a cavity. Mounted on battens with an air gap, which is where the low mid performance comes from.
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Layer 3
Acoustic foam and BassBloc
Open cell foam shapes for high frequency control, and BassBloc, a high density absorber built for the low mid range where ordinary foam does nothing. In Vapi, large school and college campuses in concrete and tile, with assembly halls and auditoria in constant use.
Corner loading. Low frequency energy collects in corners, so absorber in the corners does more than the same area spread across a wall.
For a Vapi practice, the useful thing is a detail you can put in a drawing set, not a brochure. See how we support architects.
03 / Local conditions
What the buildings in Vapi do to the specification
- Boundary noise matters
Housing sits close to industry here. Containing sound inside the site is a separate design from making the control room usable.
- Plant runs continuously
Pumps, compressors and blowers do not stop, so the noise is constant rather than intermittent. Enclosure at the source is the only answer that holds.
- Control rooms need a low floor
Operators listening for alarms need background noise down before anything else matters.
- Corrosive, humid air
PET felt does not absorb moisture, rot or feed mould, which matters in a coastal industrial climate.
- Plant and HVAC
Heavy industrial plant across the state, so compressors, presses and generator sets sit close to offices and canteens inside the same building.
04 / Room by room
Where the money goes on a Vapi project
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At source
Enclosure, barrier or anti vibration mounts at the machine. Housing sits close to industry here. Containing sound inside the site is a separate design from making the control room usable.
- SoundBlanket mass loaded vinyl, 2100 kg per cubic metre
- Soundproofing materials, 1800 x 900 x 20 mm, 100 kg per cubic metre, NRC 0.85
- Wood wool acoustic panels, 400 kg per cubic metre
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In the path
Duct lining, attenuators and lagging on the first run out of the plant. Pumps, compressors and blowers do not stop, so the noise is constant rather than intermittent. Enclosure at the source is the only answer that holds.
- SoundBlanket mass loaded vinyl, STC 30, 5.25 kg per sq m
- Soundproofing materials, Mass, then decoupling, then cavity absorption, then sealing
- Wood wool acoustic panels, 0.30
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At the receiver
Only after the first two, and only for what is left. Operators listening for alarms need background noise down before anything else matters.
- SoundBlanket mass loaded vinyl, STC 34, 8.4 kg per sq m
- Soundproofing materials, ASTM E90 for the barrier, ASTM C423 for the absorber
- Wood wool acoustic panels, ASTM C-423 and EN ISO 354
Designers get colour, pattern and CNC options with the absorption figure attached to each. See how we work with interior designers.
04 / Climate
Durability in Vapi, before acoustics is discussed
Vapi is hot and dry for most of the year, with dust and high daytime surface temperatures, and that narrows the material list before acoustics is discussed.
Dust is the enemy of open-cell products. PET felt does not shed, does not hold dust in the way fabric-wrapped glass wool does, and wipes down. Timber needs a stable indoor RH or it moves.
The failure we design against here is dust ingress and thermal movement in long runs.
If a consultant has set the target, we will quote against their figures rather than ours, and stay out of the scope they own. More on working with acoustic consultants.
06 / Straight talk
The six errors that cost the most
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Absorption on the office wall for a plant room problem
Enclose the machine, break the vibration path, then deal with what is left. Doing it in the other order costs more and achieves less.
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Lagging a duct that is carrying the noise as breakout from the fan
Plant noise treated as a room problem is the most reliable way to spend a budget and change nothing anyone can hear.
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Ignoring structure borne vibration through the mounts
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 Vapi job
Housing sits close to industry here. Containing sound inside the site is a separate design from making the control room usable.
05 / Supply
How material reaches a Vapi site
| Made at | Our own plant, Palwal, Haryana |
|---|---|
| Reaches site in | three days |
| Dispatch | 2 to 4 working days |
| To site | 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 twelve hundred kilometres, normally three days on a dedicated truck.
Questions from Vapi projects
What makes HVAC, plant and machine noise control different in Vapi?
Heavy industrial plant across the state, so compressors, presses and generator sets sit close to offices and canteens inside the same building. Pumps, compressors and blowers do not stop, so the noise is constant rather than intermittent. Enclosure at the source is the only answer that holds.
Where should the budget go first on a Vapi project?
At source. Enclosure, barrier or anti vibration mounts at the machine. In the path. Duct lining, attenuators and lagging on the first run out of the plant.
Do you have an office or installation team in Vapi?
No. We manufacture in India and supply into Vapi. 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 Vapi site?
made at: Our own plant, Palwal, Haryana, reaches site in: 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?
Absorption on the office wall for a plant room problem. Lagging a duct that is carrying the noise as breakout from the fan.
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.