For projects in Portugal
HVAC, plant and machine noise control in Portugal
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 with condensers in courtyards and light wells, plus seasonal heating in cold damp winters.
- 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 material is and where it earns its place in Portugal
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 with condensers in courtyards and light wells, plus seasonal heating in cold damp winters.
Work reaching us from Portugal is mostly hotel and apartment conversions, restaurants, offices, clinics, schools, studios.
- Conversion, not construction The structure is staying. Whatever we propose has to work inside the depth and the finishes that are already there, which rules out most thick framed systems.
- Timber floors in old buildings Footfall passes straight down through the joists. A resilient layer under the new finish does more than anything applied to the ceiling below.
- Atlantic damp Our PET felt does not absorb moisture, shed fibre or feed mould, which matters on cold external walls in a mild wet climate where mineral products sag.
- 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 Portugal.
02 / The build-up
The build-up, layer by layer
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Layer 1
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 Portugal, split units with condensers in courtyards and light wells, plus seasonal heating in cold damp winters.
Resilient bar. Where a full independent leaf will not fit. Effective, and very easy to short circuit with one wrong screw.
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Layer 2
Wood wool acoustic panels
Wood fibre bound into a rigid board with an open texture. In Portugal, church buildings, civic auditoria and function rooms are stone volumes with very long decay.
With a porous backing. Board over mineral backing where the room needs more than the board alone gives.
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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 Portugal, school buildings are hard surfaced with high ceilings, and canteens are the loudest rooms.
Behind a fabric frame. Where the room has to look finished, absorber inside a frame rather than foam on show.
For a Portugal practice, the useful thing is a detail you can put in a drawing set, not a brochure. See how we support architects.
03 / In this market
What we see driving Portugal briefs
- Conversion, not construction
The structure is staying. Whatever we propose has to work inside the depth and the finishes that are already there, which rules out most thick framed systems.
- Timber floors in old buildings
Footfall passes straight down through the joists. A resilient layer under the new finish does more than anything applied to the ceiling below.
- Atlantic damp
Our PET felt does not absorb moisture, shed fibre or feed mould, which matters on cold external walls in a mild wet climate where mineral products sag.
- Tourism programmes have fixed dates
Hotel openings do not move. We give honest dispatch and transit windows so the fit-out is not waiting on a container.
- Plant and HVAC
Split units with condensers in courtyards and light wells, plus seasonal heating in cold damp winters.
04 / Room by room
Where the money goes on a Portugal project
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At source
Enclosure, barrier or anti vibration mounts at the machine. The structure is staying. Whatever we propose has to work inside the depth and the finishes that are already there, which rules out most thick framed systems.
- 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
- 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. Footfall passes straight down through the joists. A resilient layer under the new finish does more than anything applied to the ceiling below.
- SoundBlanket mass loaded vinyl, STC 30, 5.25 kg per sq m
- Soundproofing materials, Mass, then decoupling, then cavity absorption, then sealing
- 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. Our PET felt does not absorb moisture, shed fibre or feed mould, which matters on cold external walls in a mild wet climate where mineral products sag.
- SoundBlanket mass loaded vinyl, STC 34, 8.4 kg per sq m
- Soundproofing materials, ASTM E90 for the barrier, ASTM C423 for the absorber
- Ceiling baffles and clouds, ASTM C423
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 / Conditions
Why the climate in Portugal changes the material, not the target
Portugal is hot dry summers and mild wet winters, and that narrows the material list before acoustics is discussed.
The swing between a dry summer and a wet winter moves timber. PET felt is dimensionally stable across that swing; slat panels want a stable substrate and a ventilated fixing.
The failure we design against here is seasonal movement in timber and winter damp in unheated stock.
Where a consultant is already engaged on a Portugal project, we supply to their specification and send the test reports rather than describing them. More on working with acoustic consultants.
06 / Worth knowing
Six mistakes that turn into a second fit-out
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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.
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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 Portugal job
The structure is staying. Whatever we propose has to work inside the depth and the finishes that are already there, which rules out most thick framed systems.
05 / Logistics
What the route into Portugal actually looks like
| Ships from | Palwal, Haryana, India |
|---|---|
| Arrives at | Sines, Lisbon or Leixões, then road to site |
| Dispatch | 4 to 7 working days |
| Freight | Sea via Sines or Lisbon |
| 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 Sines, Lisbon or Leixões, then road to site. Air freight for samples and urgent quantities.
Questions from Portugal projects
What makes HVAC, plant and machine noise control different in Portugal?
Split units with condensers in courtyards and light wells, plus seasonal heating in cold damp winters. The structure is staying. Whatever we propose has to work inside the depth and the finishes that are already there, which rules out most thick framed systems.
Where should the budget go first on a Portugal 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 Portugal?
No. We manufacture in India and supply into Portugal. 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 Portugal site?
ships from: Palwal, Haryana, India, arrives at: Sines, Lisbon or Leixões, then road to site, 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
Send the drawings, get a straight answer
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.