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Reduce noise pollution without any construction work—
, performance measured in an accredited laboratory, up to -28.2 dB at 5,000 Hz.

Tested in a BELAC-accredited laboratory (ISO/IEC 17025)
Tested in a BELAC-accredited laboratory (ISO/IEC 17025)

A custom- soundproof curtain e is only as good as its measured performance. The configuration of the Performance PLUS soundproof curtain , tested in an accredited laboratory, achieves a sound reduction of up to −28.2 dB at 5,000 Hz according to ISO 10140-2. The custom design improves coverage of the window and limits sound leakage around the sides and at the bottom.

soundproof curtain Custom-made Performance PLUS braided taupe Nokomis with grommets at Curtain pole, in a child's bedroom

Why Custom Design Is Key to Acoustic Performance

Noise seeps in through even the smallest gaps: a curtain that is too narrow or too short lets in noise and negates some of the measured sound reduction. Custom-made curtains provide better coverage of the window and limit sound from bypassing the sides and bottom.

High-performance ac acoustic curtain ation is based on the law of acoustic mass: the denser and heavier the fabric, the more it dampens sound waves. However, a heavy fabric that doesn’t fit properly loses its effectiveness if air—and thus sound—escapes around the edges. That’s why custom fitting isn’t just a decorative feature at Nokomis, but a key factor in measured acoustic performance.

  • We recommend extending the material several centimeters beyond each side of the window to minimize sound leakage
  • A height that extends beyond the ledge and down to the floor to reduce low-level leakage
  • Eyelets: quick installation, even folds, for installation on Curtain pole
  • Gathering tape : An alternative finish to the eyelet, for installation on Track. To maintain coverage and measured performance, flat installation is recommended rather than installation with tight gathers.
  • Coverage for a standard window, a picture window, or a door, depending on the exact layout of the room
A man holding a sound level meter in front of the soundproof curtain Performance PLUS Satin Ochre Nokomis

Proof, not promises

Nokomis tests its acoustic curtains in an accredited laboratory according to a recognized standard, rather than providing unverified decibel figures. The Performance PLUS model achieves a sound reduction of -28.2 dB at 5,000 Hz under these test conditions.

Many sellers post figures without providing evidence. We document both the methodology and the report so that performance is verifiable rather than merely claimed.

  • Report No. A-2020LAB-060-I766-44092_E, measurement in accordance with the NBN EN ISO 10140-2:2010 standard
  • Tests conducted by the BELAC-accredited laboratory, accredited under ISO 17025
  • In the Performance PLUS, our patented
    multi-layer textile technology (EP3 440 965) incorporates, among other things, Trevira CS microfilaments—a technical textile with durable flame-retardant properties—which are used in the curtain’s design.
  • Trade and general-interest press (Marie Claire) and customer reviews on everyday use

How to Interpret a Reliable Acoustic Test

A decibel value is meaningful only if it specifies the standard, the laboratory, and the measurement frequency. A single number, without any context or methodology, proves nothing.

Always ask to see the lab report, the standard reference, and the total assembled weight of the fabric (in kg/m²). These three factors distinguish a true “ soundproof curtain ” from a blackout curtain marketed as such.

soundproof curtain Beige Performance PLUS woven fabric Nokomis on either side of a window in a bedroom

For what type of room and what purpose

soundproof curtain s are suitable for bedrooms, offices, living rooms, or as room dividers. The choice of fabric and weight depends on the level of noise to be reduced.

For a bedroom facing the street, we recommend the highest density setting (Performance PLUS) to ensure a good night's sleep. Colors and finishes vary depending on the model selected.

soundproof curtain, Acoustic or Noise-Reducing: Clearing Up the Confusion

The terms overlap but do not refer to the same thing. A sound soundproof curtain e (or noise-reducing curtain) reduces noise coming from outside; a purely acoustic curtain primarily reduces internal echoes within a room.

Nokomis It is neither a wall panel, nor studio foam, nor insulation installed during construction. It is a home textile that dampens outside noise without the need for double-paned windows or partitions.

  • soundproof curtain / noise reduction: protection against external noise (traffic, neighbors, city)
  • acoustic curtain : reduces echo and reverberation inside a room
  • Thermal insulation curtain: reduces heat loss and keeps cold air out
  • Our models combine these effects into a single multilayer product
  • This isn't soundproofing that requires construction work: a solution that doesn't involve a construction site and is reversible in rental properties

How to Choose Your Custom-Made soundproof curtain

The right choice depends on three factors: noise level, the area to be covered, and the mounting method. Start by assessing the actual noise problem, then determine the weight of the fabric and its dimensions.

A curtain that is too small or too lightweight will not deliver on its acoustic promises. It’s better to choose the right density for your noise exposure than to rely solely on aesthetics.

  • Identify the source: traffic, a neighbor, outside noise, or a partition
  • Choose your soundproof curtain based on your noise exposure, the room to be equipped, and the desired level of comfort.
  • Select the color and finish available for the model you've chosen, then select either the eyelet finish or Gathering tape
  • Allow for side overhang and a generous height to minimize performance loss on the sides
  • Check compatibility with a Track or a Curtain pole, or choose our custom-built Track 4400RM
 Measuring guide for a custom curtain: width of the Track, recommended overhang of 20 cm, height from the floor

How to Measure Before Ordering

Measure the total width to be covered, including overhangs, and the height from the mounting point to the floor. Add some extra width on the sides to block sound from escaping.

For best results, the width of the fabric should exceed that of the window, and the curtain should extend past the window sill. Our configurator guides you step by step, with finishing tips tailored to your Track or Curtain pole.

  • Width: Measure Curtain pole or Track, then add the overhang on each side
  • Height: from the attachment point to the floor for full coverage
  • Note the type of window (single-pane, picture window, door) to customize the design
Nokomis 's partner garment workshop: workbenches, machines, and cardboard boxes

Design, Manufacture, Deliver: Our Custom Service

Our European curtains are crafted by our specialized partner workshop, according to our specifications and your exact measurements. You customize your order online, we produce it, and you receive a curtain that’s ready to hang.

Installation is simple: Gathering tape on Track or grommets on Curtain pole —no construction required. The service includes support of your choice and optional installation.

  • Online customization: dimensions, fabric, color, finish, made-to- Track (Configure my custom curtain)
  • European Custom Tailoring
  • Premium tracked shipping, secure payment, dedicated customer service
Close-up of the woven fabric on the white Performance PLUS soundproof curtain  Nokomis , folded, with an eyelet

What happens inside a soundproof curtain

Performance comes from the fabric's weight and structure, not from a simple lining added to the surface.

An effective curtain relies on a thick, dense fabric, whose total assembled weight is measured in g/m². In the Performance PLUS, our patented multilayer textile technology incorporates, among other things, Trevira CS microfilaments—a technical textile with durable flame-retardant properties—used in the curtain’s design. The heavier and more compact the material, the greater the reduction in outside noise. The quality of the construction is just as important as the raw material: seams, pleats, and the way the curtain hangs all affect how it sits against the wall and window.

  • High-density fabric, measured in g/m² rather than estimated by feel
  • Built-in lining on the 3-in-1 lines to provide soundproofing, thermal insulation, and light-blocking properties
  • Braided or satin finish, depending on the desired aesthetic
soundproof curtain " Nokomis " beige satin sofa in front of a window in a living room

 Sound absorption or sound attenuation: two effects that should not be confused 

A curtain primarily reduces outside noise, but it also helps absorb sound within the room.

Sound insulation reduces the noise coming in from the street or the adjacent room, as measured in dB in an accredited laboratory. Sound absorption, on the other hand, reduces reverberation inside: voices carry less, and echoes are diminished in a large, empty room. A living room with hard surfaces and large windows benefits from both. Our reports distinguish between these two effects to avoid unsubstantiated figures that the brand refuses to disclose.

  • Sound insulation: less noise from outside, as measured by a standardized test
  • Absorption: Less echo and reverberation in the treated room
  • The perceived comfort is a combination of both, depending on the layout of the home

Frequently Asked Questions

soundproof curtain s reduce noise coming from outside, such as traffic or neighbors. acoustic curtain s primarily correct echo and reverberation inside a room. Nokomis models combine both effects in a multilayer fabric.

The noise reduction varies by model: up to -28.2 dB at 5,000 Hz for the Performance PLUS model. The values for the Performance and Comfort models are currently being validated; we will provide them as soon as they are confirmed. These values are measured in an accredited laboratory in accordance with the NBN EN ISO 10140-2:2010 standard and are not simply claimed without evidence.

Yes. A curtain that is too narrow or too short allows sound to leak around the edges, which degrades the measured performance. Custom-made curtains improve coverage of the window and limit sound leakage around the sides and at the bottom.

The Performance PLUS curtain is tested in a BELAC/Peutz-accredited laboratory (ISO 17025) in accordance with the NBN EN ISO 10140-2:2010 standard, as documented in report No. A-2020LAB-060-I766-44092_E. Its multilayer textile technology is patented (EP3 440 965).

The Performance PLUS can provide a temperature increase of 6 to 8 °C, depending on installation conditions and the environment. These models also block out light, filtering it to make the room darker.

The price reflects a dense fabric, European-made curtains tailored to your measurements, and performance tested in a laboratory. A standard, inexpensive curtain does not guarantee full coverage or the advertised decibel levels.

Enter your measurements in the configurator, choose the line and finish, then confirm your purchase online. The price is displayed based on the surface area and options, in euros or in your country’s currency. Each order then triggers the production process tailored to your measurements.

The garments are manufactured in Europe by our specialized partner workshop in accordance with our specifications, using fabric designed and tested in an accredited laboratory. This process allows us to monitor quality at every stage, from the raw material to the finished product.

Yes, it reduces outside noise and creates a quieter, more restful environment for sleep. The effect depends on the model you choose and on installing it as close to the window as possible. For a bedroom facing the street, a high-density fabric makes a noticeable difference.

Yes, we can provide a customized quote for entire homes or independent professionals. Each window is fitted with a custom-made curtain, with no compromise on performance. Please contact us with your measurements for a detailed quote.

Your information is used solely to process your order and arrange delivery, in accordance with our privacy policy. The full terms and conditions are set forth in our legal notice and our dedicated privacy notice. We do not sell your data to third parties.

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