For projects in Atlanta
HVAC, plant and machine noise control in Atlanta
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. Packaged rooftop units and ducted forced air are standard, so noise arrives through the duct rather than through the wall. Lining the first three metres of duct and treating the return path is usually the whole job.
- 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 you are buying, and what it fixes in Atlanta
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.
Packaged rooftop units and ducted forced air are standard, so noise arrives through the duct rather than through the wall. Lining the first three metres of duct and treating the return path is usually the whole job.
Work reaching us from Atlanta is mostly production stages, edit and mix rooms, offices, schools, clinics, restaurants, home theatres.
- Production rooms have no tolerance A mix room or a stage either isolates or it does not. There is no partial credit, which is why we design the shell before anyone chooses a fabric colour.
- Warehouse conversions Big metal and concrete shells make superb volume and terrible acoustics. Rain on a metal deck and traffic outside both get in, and the inside is completely live.
- Light frame residential Homes and apartments here are gypsum on studs, which passes low frequency far more easily than masonry. Added mass and a decoupled layer do the work, not 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 Atlanta.
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 Atlanta, packaged rooftop units and ducted forced air are standard, so noise arrives through the duct rather than through the wall. Lining the first three metres of duct and treating the return path is usually the whole job.
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 Atlanta, churches, school gyms and multipurpose halls double as performance spaces, which means a room designed for neither speech nor music has to carry both.
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 3
Wood wool acoustic panels
Wood fibre bound into a rigid board with an open texture. In Atlanta, public school buildings run long corridors with hard floors and lay-in tile ceilings that were chosen for cost, not for speech. Classroom reverberation and corridor spill are the two complaints, and both respond to ceiling area rather than wall panels.
With a porous backing. Board over mineral backing where the room needs more than the board alone gives.
Architects working in Atlanta usually need the build-up before the product. We will draw the section and mark what does the work. See how we support architects.
03 / In this market
What decides the build-up in Atlanta
- Production rooms have no tolerance
A mix room or a stage either isolates or it does not. There is no partial credit, which is why we design the shell before anyone chooses a fabric colour.
- Warehouse conversions
Big metal and concrete shells make superb volume and terrible acoustics. Rain on a metal deck and traffic outside both get in, and the inside is completely live.
- Light frame residential
Homes and apartments here are gypsum on studs, which passes low frequency far more easily than masonry. Added mass and a decoupled layer do the work, not absorption.
- Savannah, then the road
The container lands at the coast and drives in. We quote the sea leg and the road leg separately so the programme is built on real dates.
- Plant and HVAC
Packaged rooftop units and ducted forced air are standard, so noise arrives through the duct rather than through the wall. Lining the first three metres of duct and treating the return path is usually the whole job.
04 / Room by room
Space by space, for Atlanta briefs
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At source
Enclosure, barrier or anti vibration mounts at the machine. A mix room or a stage either isolates or it does not. There is no partial credit, which is why we design the shell before anyone chooses a fabric colour.
- 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
- Wood wool acoustic panels, 20 mm
- 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. Big metal and concrete shells make superb volume and terrible acoustics. Rain on a metal deck and traffic outside both get in, and the inside is completely live.
- 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
- 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. Homes and apartments here are gypsum on studs, which passes low frequency far more easily than masonry. Added mass and a decoupled layer do the work, not absorption.
- Soundproofing materials, Mass, then decoupling, then cavity absorption, then sealing
- Wood wool acoustic panels, 0.30
- Acoustic foam and BassBloc, 0.85
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
The Atlanta climate decides the material list
Atlanta 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.
On a Atlanta 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
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
Small on the drawing, expensive on site, and almost always found after handover.
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Treating it as a generic Atlanta job
A mix room or a stage either isolates or it does not. There is no partial credit, which is why we design the shell before anyone chooses a fabric colour.
05 / Supply
Getting it to Atlanta, with real dates
| Ships from | Palwal, Haryana, India |
|---|---|
| Arrives at | Savannah, then road to Atlanta |
| Dispatch | 4 to 7 working days |
| Freight | Sea via Savannah |
| Support | Drawings, build-ups, BOQ and material that arrives complete |
Standard items dispatch in 4 to 7 working days. The sea leg to the US East Coast is long, so plan the full door to door window. We give real dates rather than optimistic ones.
Sea freight into Savannah, then road to Atlanta. Air freight for samples, colour approvals and genuinely urgent quantities.
Questions from Atlanta projects
What makes HVAC, plant and machine noise control different in Atlanta?
Packaged rooftop units and ducted forced air are standard, so noise arrives through the duct rather than through the wall. Lining the first three metres of duct and treating the return path is usually the whole job. A mix room or a stage either isolates or it does not. There is no partial credit, which is why we design the shell before anyone chooses a fabric colour.
Where should the budget go first on a Atlanta 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 Atlanta?
No. We manufacture in India and supply into Atlanta. 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 Atlanta site?
ships from: Palwal, Haryana, India, arrives at: Savannah, then road to Atlanta, dispatch: 4 to 7 working days. Standard items dispatch in 4 to 7 working days. The sea leg to the US East Coast is long, so plan the full door to door window. We give real dates rather than optimistic ones.
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 a plan and a section, get a real 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.