For projects in Dammam
HVAC, plant and machine noise control in Dammam
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. Cooling runs year round at high load, so chillers, AHUs and large duct runs are constant sources. Plant room lining and duct attenuation carry most of the result.
- 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 Dammam
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.
Cooling runs year round at high load, so chillers, AHUs and large duct runs are constant sources. Plant room lining and duct attenuation carry most of the result.
Work reaching us from Dammam is mostly industrial plant and control rooms, corporate offices, compound housing, hotels, schools, clinics.
- Heat, dust and sealed buildings Closed up with heavy cooling year round, so plant noise accumulates inside rather than escaping.
- Industrial noise is a mass problem Compressors, generators and process plant are low frequency and structure-borne. Panels on a wall will not touch it and we will say so.
- Control rooms run long shifts Operators listening to alarms and radios for twelve hours need intelligibility and a low background, not a reverberation figure.
- 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 Dammam.
02 / The build-up
How the layers stack, from the structure inwards
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Layer 1
Wood wool acoustic panels
Wood fibre bound into a rigid board with an open texture. In Dammam, cooling runs year round at high load, so chillers, AHUs and large duct runs are constant sources. Plant room lining and duct attenuation carry most of the result.
With a porous backing. Board over mineral backing where the room needs more than the board alone gives.
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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 Dammam, mosques, conference halls and hotel ballrooms are tall hard volumes where intelligibility over a long reverberation tail is the whole brief.
First reflection points. Mirror trick placement on side walls and ceiling, which is a handful of panels rather than a lined room.
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Layer 3
Ceiling baffles and clouds
PET felt suspended from the soffit, vertically as baffles or horizontally as clouds. In Dammam, new school and university buildings are large, hard and highly glazed. Lecture theatres and sports halls are the spaces that fail first, and ceiling absorption is the practical fix.
Horizontal clouds. Flat rafts over the occupied zone, which also reflect early speech energy back down where it helps.
We would rather argue about the build-up at design stage than on site. See how we support architects.
03 / In this market
What we see driving Dammam briefs
- Heat, dust and sealed buildings
Closed up with heavy cooling year round, so plant noise accumulates inside rather than escaping.
- Industrial noise is a mass problem
Compressors, generators and process plant are low frequency and structure-borne. Panels on a wall will not touch it and we will say so.
- Control rooms run long shifts
Operators listening to alarms and radios for twelve hours need intelligibility and a low background, not a reverberation figure.
- The port is on the doorstep
Short road leg, predictable landed cost, and straightforward replacement if something arrives damaged.
- Plant and HVAC
Cooling runs year round at high load, so chillers, AHUs and large duct runs are constant sources. Plant room lining and duct attenuation carry most of the result.
04 / Room by room
Room by room, on a typical Dammam job
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At source
Enclosure, barrier or anti vibration mounts at the machine. Closed up with heavy cooling year round, so plant noise accumulates inside rather than escaping.
- 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
- Acoustic foam and BassBloc, 100 kg per cubic metre
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In the path
Duct lining, attenuators and lagging on the first run out of the plant. Compressors, generators and process plant are low frequency and structure-borne. Panels on a wall will not touch it and we will say so.
- SoundBlanket mass loaded vinyl, STC 30, 5.25 kg per sq m
- Soundproofing materials, Mass, then decoupling, then cavity absorption, then sealing
- Acoustic foam and BassBloc, 100 to 500 Hz
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At the receiver
Only after the first two, and only for what is left. Operators listening to alarms and radios for twelve hours need intelligibility and a low background, not a reverberation figure.
- SoundBlanket mass loaded vinyl, STC 34, 8.4 kg per sq m
- Soundproofing materials, ASTM E90 for the barrier, ASTM C423 for the absorber
- Acoustic foam and BassBloc, 0.85
For a Dammam interior where the finish leads, we will say plainly what each option costs you acoustically. See how we work with interior designers.
04 / Climate and durability
What the Dammam climate rules in and rules out
Dammam 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.
On a Dammam job with a consultant involved, our part is material that matches the submitted data. See working with acoustic consultants.
06 / Read this first
Where this kind of project usually fails
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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
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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Ignoring structure borne vibration through the mounts
Small on the drawing, expensive on site, and almost always found after handover.
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Treating it as a generic Dammam job
Closed up with heavy cooling year round, so plant noise accumulates inside rather than escaping.
05 / Getting it there
Supply into Dammam, start to site
| Ships from | Palwal, Haryana, India |
|---|---|
| Arrives at | Dammam, then a short road run across the Eastern Province |
| Dispatch | 4 to 7 working days |
| Freight | Sea into Dammam |
| 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 direct into Dammam, then a short road run to site. Air freight for samples and urgent quantities.
Questions from Dammam projects
What makes HVAC, plant and machine noise control different in Dammam?
Cooling runs year round at high load, so chillers, AHUs and large duct runs are constant sources. Plant room lining and duct attenuation carry most of the result. Compressors, generators and process plant are low frequency and structure-borne. Panels on a wall will not touch it and we will say so.
Where should the budget go first on a Dammam 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 Dammam?
No. We manufacture in India and supply into Dammam. 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 Dammam site?
ships from: Palwal, Haryana, India, arrives at: Dammam, then a short road run across the Eastern Province, 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
Tell us the room, we will tell you the build-up
Send what you have. We will give you a layer by layer build-up, a bill of quantities and a date material lands, and we will flag anything in the brief that will not achieve what you want.