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For projects in Switzerland
HVAC, plant and machine noise control in Switzerland
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. Mechanical ventilation with heat recovery is standard, so duct and terminal unit noise are the sources.
- 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 / What it is
The product, described honestly, for a Switzerland brief
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.
Mechanical ventilation with heat recovery is standard, so duct and terminal unit noise are the sources.
Work reaching us from Switzerland is mostly apartments, offices, alpine hotels, schools, clinics, studios, timber buildings.
- The tolerance is zero If the sheet does not perform, you will find out and so will we. That is why we quote what the material does rather than what would win the order.
- Floor area is extremely expensive Every centimetre a wall grows into the room is paid for. A dense membrane with a resilient break usually beats a thick framed build-up on both depth and cost.
- Timber construction at scale Switzerland builds a lot in timber, and timber is light. Low frequency passes easily, so mass and decoupling do the work, not more absorption.
- 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 Switzerland.
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 Switzerland, mechanical ventilation with heat recovery is standard, so duct and terminal unit noise are the sources.
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
Soundproofing materials
The blocking side of the range taken together: mass loaded vinyl, resilient layers, cavity absorption and the build-ups they belong in. In Switzerland, concert halls, church buildings and civic rooms are long-decay volumes where interventions must be reversible.
Floating floor. Resilient layer and deck, to break impact energy before it reaches the structure.
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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 Switzerland, school buildings are built to a high standard with hard cleanable surfaces, so rooms stay live and intelligibility is the target.
Behind a fabric frame. Where the room has to look finished, absorber inside a frame rather than foam on show.
We would rather argue about the build-up at design stage than on site. See how we support architects.
03 / On the ground
What the buildings in Switzerland do to the specification
- The tolerance is zero
If the sheet does not perform, you will find out and so will we. That is why we quote what the material does rather than what would win the order.
- Floor area is extremely expensive
Every centimetre a wall grows into the room is paid for. A dense membrane with a resilient break usually beats a thick framed build-up on both depth and cost.
- Timber construction at scale
Switzerland builds a lot in timber, and timber is light. Low frequency passes easily, so mass and decoupling do the work, not more absorption.
- Landlocked, so plan the inland leg
Rotterdam or Antwerp, then rail. We quote the sea leg and the inland leg separately so the programme runs on real dates.
- Plant and HVAC
Mechanical ventilation with heat recovery is standard, so duct and terminal unit noise are the sources.
04 / Room by room
What each space in a Switzerland project needs
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At source
Enclosure, barrier or anti vibration mounts at the machine. If the sheet does not perform, you will find out and so will we. That is why we quote what the material does rather than what would win the order.
- Soundproofing materials, 2100 kg per cubic metre. 2.5 mm STC 30 at 5.25 kg per sq m, 4 mm STC 34 at 8.4, 6 mm at 12.6
- Acoustic foam and BassBloc, 20 mm
- Ceiling baffles and clouds, Made to the drawing, standard and custom
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In the path
Duct lining, attenuators and lagging on the first run out of the plant. Every centimetre a wall grows into the room is paid for. A dense membrane with a resilient break usually beats a thick framed build-up on both depth and cost.
- Soundproofing materials, 1800 x 900 x 20 mm, 100 kg per cubic metre, NRC 0.85
- Acoustic foam and BassBloc, 100 kg per cubic metre
- Ceiling baffles and clouds, Both faces work, which is why suspended area outperforms the same area laid flat
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At the receiver
Only after the first two, and only for what is left. Switzerland builds a lot in timber, and timber is light. Low frequency passes easily, so mass and decoupling do the work, not more absorption.
- Soundproofing materials, Mass, then decoupling, then cavity absorption, then sealing
- Acoustic foam and BassBloc, 100 to 500 Hz
- Ceiling baffles and clouds, ASTM C423
Interior designers tend to arrive with the look already decided. We will tell you which finish gets there without losing the acoustics. See how we work with interior designers.
04 / Durability
Why the climate in Switzerland changes the material, not the target
Switzerland 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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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
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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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 Switzerland job
If the sheet does not perform, you will find out and so will we. That is why we quote what the material does rather than what would win the order.
05 / Supply
What the route into Switzerland actually looks like
| Ships from | Palwal, Haryana, India |
|---|---|
| Arrives at | Rotterdam or Antwerp, then rail and road inland |
| Dispatch | 4 to 7 working days |
| Freight | Sea via Rotterdam, then rail |
| Support | Drawings, build-ups, BOQ and material that arrives complete |
Standard items dispatch in 4 to 7 working days. Grooved panels and custom colours take longer, and we say so before you order, not after.
Sea freight into Rotterdam or Antwerp, then rail and road inland. Air freight for samples and urgent quantities.
Questions from Switzerland projects
What makes HVAC, plant and machine noise control different in Switzerland?
Mechanical ventilation with heat recovery is standard, so duct and terminal unit noise are the sources. If the sheet does not perform, you will find out and so will we. That is why we quote what the material does rather than what would win the order.
Where should the budget go first on a Switzerland 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 Switzerland?
No. We manufacture in India and supply into Switzerland. 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 Switzerland site?
ships from: Palwal, Haryana, India, arrives at: Rotterdam or Antwerp, then rail and road inland, dispatch: 4 to 7 working days. Standard items dispatch in 4 to 7 working days. 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
Drawings in, BOQ and a delivered date out
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.