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An open-plan floor for 220 engineers rarely fails on square meters; it fails on speech. When a phone call two desks away is perfectly audible, focus drops and the project owner starts asking for walls. In commercial fit-outs, the practical answer is not a full drywall build-out but a specified acoustic partition system, sized, finished, and certified for the exact floor plan. The decisions that matter are core material, NRC, fire class, and what the supplier can actually customize.
What Counts as a Custom Acoustic Office Partition?
A custom acoustic office partition is a freestanding or floor-mounted panel assembly that uses a sound-absorbing core, typically needle-punched 100% recycled PET felt, to reduce speech transmission and reverberation, and is manufactured to project-specific dimensions, finishes, and compliance documents.
For commercial projects, customization means more than a color sample. Heights of 1650-1700 mm match seated privacy, a 28 mm board stays rigid without a frame, and the finish must survive years of cleaning.
Definition: NRC, or Noise Reduction Coefficient, is the average fraction of sound energy a material absorbs across the 250-4000 Hz speech range. An NRC of 0.85 means the partition absorbs 85 percent of the speech-range sound energy that reaches it.
Data point: a 28 mm PET felt partition rated NRC 0.85 absorbs roughly ten times more speech-range sound energy than a painted drywall partition in the same location.
| Parameter | Typical value | Why it matters |
| Core material | 100% recycled PET, needle-punched nonwoven | Stable, recyclable, no fiberglass dust |
| Noise reduction coefficient | 0.85 | Absorbs speech-range noise in open plan |
| Fire rating | ASTM E84 Class A; EN13501-1 B; UL723 A | Meets commercial building code |
| Formaldehyde emission | E0 grade | Safe for occupied office floors |
| Standard thickness | 28 mm | Self-supporting without a frame |
| Height range | 1650-1700 mm | Blocks seated sightlines and direct speech |
The workhorse in open-plan layouts is a 28 mm freestanding board that carries its own weight without a metal frame. For standard desk rows, start with the 1650 x 600 mm freestanding acoustic partition screens from the office partition line.
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The same board can be cut, printed, or fitted with casters without changing its absorption value. To see how that value maps to real distraction levels, review how NRC ratings relate to speech distraction in offices.
The three numbers to copy into your specification are NRC 0.85, ASTM E84 Class A, and E0 emission. If a supplier cannot document all three, the partition is not commercial-grade.
How Customization Works in a Factory-Direct Supply Chain
Factory-direct customization works because one manufacturer controls the PET felt formulation, the cutting line, and the finish workshop. A custom size does not require a custom material.
Yayin New Materials Jiangsu Co., Ltd., the company behind cnacousticpanels.com, runs three production sites with more than 30,000 sqm of combined floor space. The standard customization scope covers four areas:
- Dimensions: widths from 600 mm up to 1200 mm, heights up to 1700 mm, and a standard 28 mm board thickness.
- Surface finishes: fabric wrap, heat-transfer prints, wood veneer, and PVC facing applied in the same factory.
- Hardware and edges: castors, zip connectors, and acoustic writing-board inserts for meeting zones.
- Compliance documentation: NRC reports, fire certificates, and E0 test results supplied with the batch.
When the floor plan demands longer visual barriers, move up to wider panels such as the customizable acoustic floor screens with a 1700 x 1200 mm footprint.
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The compliance side is covered in the fire-rating and eco-certification guide for office partitions, which lists the exact documents to request before a purchase order.
Before approving a sample, ask for the NRC test report, the fire classification certificate, and the E0 emission result. Without these three documents, a custom sample is only a mock-up.
What to Specify for Acoustic, Fire, and Environmental Performance
Specify three numbers for every acoustic partition in the tender: NRC 0.85, fire class A or B, and formaldehyde emission E0. These three metrics cover acoustics, building code, and indoor air quality in one decision.
0.85
NRC speech-range absorption
A / B
ASTM E84, EN13501-1, UL723
E0
Formaldehyde emission limit
100%
Recycled PET, no fiberglass
NRC comparison of partition types used in commercial office projects
PET felt partition, 28 mm0.85
Fabric-wrapped PET0.75
Glass vision panel0.10
Drywall partition0.05
The point is not that glass and drywall are bad products; it is that they solve visual privacy, not acoustic privacy. A glass partition reflects speech energy back into the room unless it is heavily mass-loaded. A PET felt partition absorbs it, which is why sustainable office projects specify it. For agile floors, plan partition mobility for hybrid work layouts from the start.
| Partition type | NRC | Fire rating | Reconfigurable | Cost trend |
| PET felt freestanding, 28 mm | 0.85 | Class A / B | Yes, reusable | $$ |
| Fabric-wrapped PET panel | 0.75-0.80 | Class A / B | Yes | $$ |
| Glass vision panel | 0.10 | Varies by glazing | Yes | $$$ |
| Drywall on stud frame | 0.05-0.10 | Depends on build | No | $$ |
Where the design brief asks for a softer interior, the fabric-wrapped acoustic room dividers keep the same PET core while adding a clean upholstered face.
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PET felt partition
Absorbs speech noise, cuts reverberation across the floor, is reusable after relocation, and keeps its value through several layout changes.
Drywall partition
Only blocks sound when fully sealed to slab and walls, is permanent, produces demolition waste on every move, and adds the highest reconfiguration cost.
Installation Sequencing and Project Logistics
Plan partition delivery and installation around the furniture schedule: freestanding screens are installed after flooring and before desk assembly, and castored models allow reconfiguration without contractor involvement.
Commercial project managers sequence acoustic partitions in two ways. For open bench layouts, floor-standing screens are placed after the carpet is laid but before desking. For agile or hybrid floors, specifiers choose castored or zippered models that teams can reposition when seating zones change.
- Install after the floor finish and before desk assembly.
- Use castored models when the layout changes quarterly.
- Zip-connected runs create larger team zones in one order.
- Confirm MOQ, lead time, and packaging at the quotation stage.
Ask the supplier for a project checklist before committing the order: confirmed lead time, minimum order quantity, packaging per screen, and installation instructions. Factory-direct manufacturers can provide 3D layout renderings and delivery dates at the quote stage.
Frequently Asked Questions
What NRC should a commercial office partition have?
Specify at least NRC 0.80. The PET felt partitions produced by Yayin New Materials Jiangsu Co., Ltd. are rated 0.85, which covers the speech-frequency range where open-plan noise is most distracting. Verify the number in the supplier's test report before ordering.
Are custom acoustic partitions fire-rated for commercial buildings?
Yes. The partition range meets ASTM E84 Class A, EN13501-1 Class B, and UL723-2018 Class A. Fire documentation must match the final finish, because a fabric wrap can change the classification of the assembly.
Can acoustic partitions be reconfigured after installation?
Freestanding and castored models move without construction work. Zippered partitions re-panel on site, while fixed floor-mounted screens need re-drilling. If you expect layout changes, choose a mobile line from the start.
What does a custom size cost in a commercial project?
Custom dimensions do not change the PET felt formulation, so the cost stays close to standard panels; the variance comes from finishes, hardware, and order quantity. Request a quote with size, finish, and MOQ to receive a delivery-committed price.
