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Mimas Soundproof Curtain | ✅ Lab Certified | Room Divider | Window, | Thermal | FR

Flame Retardant Flame Retardant
Made To Measure Made To Measure
Heavy Weight Heavy Weight
British Made British Made
Acoustic Acoustic
5 Year Guarantee 5 Year Guarantee
Thermal Thermal
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Estimated Delivery

Currently 3-4 Weeks - UK Manufactured

UK Mainland £5.99

UK Mainland Over £250

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Any of our curtains lined with our blackout lining are thermally certified to reduce heat loss by 30% over a double glazed window.

Mimas Made to Measure Acoustic Curtains | Sound Proof Curtains | Room Dividers | Acoustic Absorber

Sound Proof Curtains
Soundproof and absorption

Designed to block 10 to 13db and absorb sound 0.85aw (B rating) with 1 layer of acoustic lining.

Blackout acoustic Curtains
Blackout

Acoustic lining is 3 pass coated and stops light entering a space or leaving a space.

Thermal Curtains
Thermal regulation

Lined with a sealed 2 pass lining to reduce heat loss and heat entry.

Fabric Swatches
High quality fabrics

Hotel quality fabric.

Customer images

Mimas Acoustic Curtains
Mimas Acoustic Curtains
Mimas Sound Proof Curtains

Made to measure sound proof curtains, designed how you need them

Read this carefully

We are here to help you choose the right product and lining option for your use case.

Choosing your curtain and lining options

  • Unlined face only: for acoustic absorption and echo reduction (C rating absorber).
  • 1 layer lining: 2db over a window, 10db as a room divider.
  • 2 layers lining: 4db (estimated) over a window, 13db as a room divider.
  • 1 layer lining plus face reverse: estimated 11 to 12db decorative room divider.
Room divider appearance

If you want a room divider to look good on the reverse side, select double sided in the lining options.

An acoustic curtain that works

Direct Fabrics specialise in contract curtains and acoustic sound proofing curtains. This range is laboratory tested for both sound insulation (sound blocking) and sound absorption (echo reduction and clarity).

The curtains perform best as a room divider because there is no other obstruction doing the work. Over a window, double glazing typically handles most of the insulation and the curtain improves specific frequencies.

Our full guide on acoustics

This video explains our acoustic options and helps you choose what will work for your situation. Main fabric discussed is the herringbone.

Video of our curtain working in an office

Our product is laboratory proven and has the following features:

  • Certified performance varies by layers: up to 2db with a double glazed window and 10db as a room divider (EN ISO 1040-1 stated in your content).
  • Decorative product as well as sound blocking.
  • Works with standard curtain tracks and poles.
  • Room divider results assume no other obstruction between spaces.
  • If there is a door or wall doing the work already, the perceived impact is lower.

Which option is right for me

Feature
Same curtain just tested in different situations
Acoustic Absorption
Room Divider
Window Curtain
Reduce Echo
Yes
Yes
Yes
Block External Noise
No
Yes
Yes
Colours
28
28
28
Blackout
95% Dimout Unlined
100%
100%
Hangs as a Curtains
Yes
Yes
Yes
3 Heading Options - Pencil / Wave /
Yes
Yes
Yes
Reduce Road Noise
No
Yes *
Yes *
Flight Noise
No
Yes *
Yes *
Acoustic Absorber
0.75AW C Rated
0.85AW B Rated
0.85AW B Rated
Acoustic Insulator Sound Proof
6DB (calculated)
10DB
10DB
Improve Acoustics in Studio
Yes
Yes
Yes
Tested With Window
No
No
Yes 2db reduction, Estimated 4db with 2 Layers of Lining
Tested as Internal Room Divider
No
Yes 10/12db Lining Dependent
No
Compatible with Normal Pole / or divack
Yes
Yes
Yes

Acoustic results

Window and room divider

Double Glazed Window Acoustic Insulation Testing
Acoustic Curtain over Window 2db uplift
Acoustic Curtain lined 10db room divider

Acoustic absorption testing

Acoustic lined absorption test grade B
Unlined acoustic absorption

Frequently asked questions about sound proof curtains

This depends on how your room is constructed and most importantly the windows. Draughty or single glazed windows typically show the biggest perceived improvement.

In laboratory testing we observed a 4db improvement with a double glazed window in a block structure room. Real-world results vary based on gaps, flanking paths, and building construction.

Customer feedback example: triple glazed windows in a modern London apartment reported around a 50% reduction in perceived noise.

Road noise is often low frequency, so some noise may enter via the structure of the building. For higher frequencies, these curtains can dull the sound and reduce room reverberation.

Similar to road noise, it depends on the construction of your room.

Customers have noted up to a 50% improvement when combining quality glazing with our curtains. Where many people notice the improvement is reduced reverberation in the room because the curtain acts as an absorber.

Use a metal heavy duty curtain track. Our curtains are heavy. For example, a standard pair 200cm x 200cm can weigh around 8kg. We recommend our optimal track or our roller runner track. Roller runner track

There is no physical difference. We explain the same product for different use cases. Room divider tests show around 11db depending on lining, and window tests show around 4db uplift over double glazing.

Absorption is about reducing reverberation and echo inside a room. It is tested using EN ISO 354 and graded A to E based on how much sound is absorbed.

Simple way to think about it: sound hits surfaces and is either transmitted out or reflected back. The absorption coefficient indicates how much is absorbed rather than reflected.

Sound insulation measures sound passing between two spaces, comparing an open aperture versus sealed with the test product. This is typically measured in decibels to show the reduction, referenced in your copy as EN ISO 717.

Changes in STC Rating Changes in Apparent Loudness
+/- 1dbAlmost imperceptible
+/- 3dbJust perceptible
+/- 5dbClearly noticeable
+/- 10dbTwice (or half) as loud
Sound Level DB Source Sensation
130Jet aircraft at 100ftPhysical pain
110Thunder / artillery / discoDeafening
90Loud street / loud factoryVery loud
70Cocktail party, noisy office, average street noiseLoud
50General office, noisy homeModerate
30Private office, quiet home, empty gymFaint
10Rustle of leaves, whisperVery faint
0Threshold of audibilityNil

Yes. This is one of the best use cases. Laboratory tests show approximately 11db to 13db depending on lining.

Real-world results can differ from laboratory tests because sound can travel around the curtain via gaps and flanking paths. In testing, the track was mounted above the window and extended beyond the sides to demonstrate improvement.

Washing / Cleaning Information Face Fabric 71 Degress C, Iron Low Heat, Non Bleach
Flame Retardant Certified Rating BS5867 Part 2B
Delivery Currently 3-4 Weeks - UK Manufactured
Flame Retardant Yes
Fabric Style Plains
Fabric Width (cm) 150
Pattern Repeat Vertical (cm) 1
Composition 100% Polyester
Features Flame Retardant, Blackout, Thermal, Soundproof, Acoustic Absorption
5.0 (29)

Customer Product Reviews

5.0

29 reviews

67% of customers recommend this product

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Top customer reviews

  1. A stellar company!

    Review

    This is a fantastic, friendly and helpful company to deal with! Every member of staff I've spoken to has been lovely and very personable. In the days of AI chatbots, it's been really nice to deal with real humans. My curtains came well before I expected them to and have exceeded my expectations having never had custom made curtains before. The material is flawless, the curtains are thick and do exactly as promised- block the light, control the temperature and muffle the sound from the road! Well worth the money for an immaculate purchase. I forgot to add my colour of choice to the order as I was managing a bereavement and a house move simultaneously; I felt like a bit of a fool but the lady I spoke to was so sweet and understanding and also matched my sense of humour which I appreciated greatly. I highly recommend this company, a business that deserves your support and your money! 10/10!
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  2. Great customer service;) great product…

    Review

    Great customer service;) great product :)
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  3. Supplied and Fitted Acoustic Curtains

    Review

    Building Contractor Feedback and Customer Feedback - name redacted. Shortly after the space became operational, demolition works began on the courthouse directly opposite the building. This has created significant challenges for the company (large plc), as the newly completed office functions as a presentation suite. The noise from the demolition is substantial and vibrations are clearly felt through both the walls and floor. This has led to ongoing discussions with the property agent, as this activity should have been flagged earlier in the process. What this situation has clearly demonstrated, however, is just how effective the curtain solution is. When the curtain is closed and a live presentation is running, the difference is immediately noticeable. The reduction in noise and vibration is not subtle, it is genuinely significant. This applies both to in room presentations and those being broadcast globally at the same time. The feedback from company has been extremely positive. The curtain has proven to be a critical element in maintaining the usability of the space under very challenging conditions, and everyone involved has been impressed by the level of performance it delivers.
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  4. quick delivery

    Review

    quick delivery
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  5. Internal Check Measure Fitting

    Review

    Project undertaken in house and installed by Direct Fabrics.
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  6. Mimas Ivory

    Review

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  7. Direct Fabrics, a super company

    Review

    From initial enquiry through to delivery of the soundproof curtain, everything was spot on. The quality was very good, the price very competitive and delivery was on time. Definitely recommend them.
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  8. Direct Fabrics were extremely helpful...

    Review

    Direct Fabrics were extremely helpful in resolving an unexpected issue, and I will definitely use them again.
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  9. Mimas Black and White

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  10. Mimas Inkt Blue

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