Home > Chandigarh > HVAC, plant and machine noise control
For projects in Chandigarh
HVAC, plant and machine noise control in Chandigarh
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. 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.
- 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 / The material
What this is, and what it changes in a Chandigarh 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.
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.
Work reaching us from Chandigarh is mostly institutional and government buildings, colleges, offices, auditoriums, clinics, hotels.
- Concrete is the finish Exposed board-marked concrete cannot be covered without losing the building. Absorption has to go on the ceiling plane or high on the wall, discreetly.
- Generous volumes Rooms here are larger and taller than equivalents elsewhere, which lengthens reverberation and defeats speech.
- Planned, low rise, quiet outside External noise is rarely the issue. What comes to us is the room itself and noise between rooms.
- 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 Chandigarh.
02 / The build-up
The build-up, layer by layer
-

Layer 1
Wood wool acoustic panels
Wood fibre bound into a rigid board with an open texture. In Chandigarh, 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.
-

Layer 2
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 Chandigarh, 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.
First reflection points. Mirror trick placement on side walls and ceiling, which is a handful of panels rather than a lined room.
-

Layer 3
Ceiling baffles and clouds
PET felt suspended from the soffit, vertically as baffles or horizontally as clouds. In Chandigarh, well established school and university campuses with lecture halls, libraries and hostels in concrete and tile.
Mixed with services. Set out around ducts, trays and lighting rather than fighting them, coordinated from your reflected ceiling plan.
If you are specifying for a Chandigarh project, we can give you a section, a BOQ and the honest limits of each layer. See how we support architects.
03 / What drives the brief
The Chandigarh conditions that change the answer
- Concrete is the finish
Exposed board-marked concrete cannot be covered without losing the building. Absorption has to go on the ceiling plane or high on the wall, discreetly.
- Generous volumes
Rooms here are larger and taller than equivalents elsewhere, which lengthens reverberation and defeats speech.
- Planned, low rise, quiet outside
External noise is rarely the issue. What comes to us is the room itself and noise between rooms.
- Next day from the plant
A few hours by road, so samples and replacements are straightforward.
- Plant and HVAC
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.
04 / Room by room
What each space in a Chandigarh project needs
-

At source
Enclosure, barrier or anti vibration mounts at the machine. Exposed board-marked concrete cannot be covered without losing the building. Absorption has to go on the ceiling plane or high on the wall, discreetly.
- SoundBlanket mass loaded vinyl, 2100 kg per cubic metre
- Wood wool acoustic panels, 20 mm
- Acoustic foam and BassBloc, 100 kg per cubic metre
-

In the path
Duct lining, attenuators and lagging on the first run out of the plant. Rooms here are larger and taller than equivalents elsewhere, which lengthens reverberation and defeats speech.
- SoundBlanket mass loaded vinyl, STC 30, 5.25 kg per sq m
- Wood wool acoustic panels, 400 kg per cubic metre
- Acoustic foam and BassBloc, 100 to 500 Hz
-

At the receiver
Only after the first two, and only for what is left. External noise is rarely the issue. What comes to us is the room itself and noise between rooms.
- SoundBlanket mass loaded vinyl, STC 34, 8.4 kg per sq m
- Wood wool acoustic panels, 0.30
- Acoustic foam and BassBloc, 0.85
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
Why the climate in Chandigarh changes the material, not the target
Chandigarh 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.
On a Chandigarh job with a consultant involved, our part is material that matches the submitted data. See working with acoustic consultants.
06 / Straight talk
What we watch go wrong on jobs like this
-
Absorption on the office wall for a plant room problem
Noise with a source is fixed at the source. Treating the receiving room is the expensive way to get a small result.
-
Lagging a duct that is carrying the noise as breakout from the fan
Noise with a source is fixed at the source. Treating the receiving room is the expensive way to get a small result.
-
Ignoring structure borne vibration through the mounts
This is the one that comes back as a second fit-out rather than a snag.
-
Treating it as a generic Chandigarh job
Exposed board-marked concrete cannot be covered without losing the building. Absorption has to go on the ceiling plane or high on the wall, discreetly.
05 / Route to site
How material reaches a Chandigarh site
| Made at | Our own plant, Palwal, Haryana |
|---|---|
| Reaches site in | a day |
| Dispatch | 2 to 4 working days |
| To site | a day |
| 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 three hundred kilometres, normally next day on a dedicated truck.
Questions from Chandigarh projects
What makes HVAC, plant and machine noise control different in Chandigarh?
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. Exposed board-marked concrete cannot be covered without losing the building. Absorption has to go on the ceiling plane or high on the wall, discreetly.
Where should the budget go first on a Chandigarh 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 Chandigarh?
No. We manufacture in India and supply into Chandigarh. 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 Chandigarh site?
made at: Our own plant, Palwal, Haryana, reaches site in: a day, 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
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.