This 6.0m x 1.2m high-density acoustic membrane offers outstanding flexibility and performance—perfect for walls, floors, and ceilings, it significantly reduces both impact and airborne sound transmission in one powerful layer.
Original price £62.50
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Original price £62.50
Original price
£62.50 ex VAT
£62.50
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£62.50
Current price £62.50 ex VAT
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In stock – Ready to ship
Estimated delivery: 3–5 business days
Quick Delivery Info
We know soundproofing gear isn't exactly letterbox-friendly. Most items are bulky and heavy—but don’t worry, we’ve got it covered.
Low Cost Delivery: What we pay, you pay.
Pallet Delivery: £85 + VAT per pallet (max 750kg). We refund if fewer pallets are used.
Courier Delivery: £15 for small items, £32 for oversized.
Merchant Delivery: £50 under £300 | £25 under £1,000 | Free over £1,000 (min order £150).
Specialist Delivery: Prices vary per item/location.
Split deliveries may be necessary: This keeps your costs low.
Delivery is kerbside only: Organise help if you need the pallet moving.
Returns: accepted within 30 days if items are resalable and authorised in advance (40% restock fee or £50 min).
For full details including access, insurance, and returns info, see our Delivery Page.
Our calculators work out exactly what you’ll need to soundproof a wall or ceiling.
Just enter the dimensions of your wall or ceiling, and you’ll get the correct number of GenieClips, furring strips, plasterboards and all the accessories you will need.
It’s the easiest way to make sure you’ve got everything to complete your project without waste or guesswork.
Tecsound 50SY Self-Adhesive Membrane is a highly effective, market-leading acoustic membrane that provides exceptional soundproofing for walls, floors, and ceilings. Known for its flexibility, durability, and ease of use, this self-adhesive membrane is engineered to reduce both airborne and impact noise, making it ideal for residential, commercial, and industrial spaces. Its high density, combined with its convenient self-adhesive backing, makes installation straightforward and creates a powerful barrier against unwanted noise and vibrations.
What is a Tecsound Acoustic Membrane?
Tecsound is a cutting-edge, viscoelastic soundproofing membrane specially crafted to offer exceptional acoustic insulation. Unlike conventional, rigid soundproofing materials, Tecsound combines significant density with a unique flexibility that enables it to effectively absorb and block a wide range of noises. Engineered with a high-density, polymer-based structure, Tecsound provides sound-blocking capabilities comparable to that of lead but without the associated bulk or toxicity. The innovative material can adapt to any surface, providing a soundproofing solution that maintains space efficiency while creating a quieter, more peaceful environment. The self-adhesive Tecsound 50SY brings this advanced soundproofing to an even more accessible level, allowing for easy, direct application on various surfaces, making it suitable for diverse soundproofing projects.
How Does Tecsound 50SY Self-Adhesive Membrane Work?
Tecsound 50SY functions by significantly increasing the mass on treated surfaces, effectively reducing the transmission of airborne sounds while minimising sound resonance. The viscoelastic properties of Tecsound allow it to dampen vibrations, transforming sound energy into less disruptive forms and preventing it from traveling through walls, floors, and ceilings. This damping effect, combined with the convenience of its self-adhesive backing, allows Tecsound 50SY to bond tightly to surfaces, forming a continuous, robust soundproofing layer. For even more comprehensive sound control, Tecsound 50SY can be combined with other soundproofing materials, such as acoustic mineral wool, creating a “mass-spring” effect that enhances its ability to block noise and absorb vibrations. This makes it a versatile choice for multi-layered soundproofing systems in high-demand environments.
Find out more about the Tecsound membrane:
What Type of Noise Does Tecsound 50SY Self-Adhesive Membrane Stop?
Tecsound 50SY is engineered to address multiple types of noise, offering effective insulation against both airborne sounds—such as conversations, music, and ambient noise—and impact sounds from sources like footsteps, dropped items, or furniture movement. Thanks to its dense construction and viscoelastic composition, Tecsound 50SY is also highly effective at dampening vibrations, making it particularly beneficial in settings where metal or other rigid surfaces might amplify noise. This adaptability makes Tecsound 50SY ideal for applications that require comprehensive sound management, ensuring reduced sound transmission across various frequencies and noise types.
Where Can the Tecsound 50SY Self-Adhesive Membrane Be Used?
Tecsound 50SY is an incredibly adaptable membrane, designed for use on walls, floors, and ceilings, allowing it to suit a broad range of environments. It’s an ideal choice for residential spaces, commercial properties, music studios, and other environments where controlling noise levels is critical. Tecsound 50SY also excels in more specialised applications, such as soundproofing vehicles, machinery rooms, and HVAC systems. In these cases, it dampens vibrations and reduces noise radiated by engines and metal structures, making it a versatile choice for both traditional and unique soundproofing needs.
How to Install the Tecsound 50SY Self-Adhesive Membrane
Prepare the Surface: Ensure the surface is clean, dry, and smooth. Any dust, debris, or loose materials should be removed for a secure bond.
Apply the Membrane: Simply peel back the protective layer on the self-adhesive side and press Tecsound 50SY onto the surface. For floors, ensure the reinforcing scrim is facing up, and for walls, the scrim should face outward.
Seal and Overlap: Overlap the edges of each sheet slightly and use acoustic tape to secure seams, creating a continuous barrier. For even greater soundproofing, apply a finish layer such as plasterboard or additional flooring material over the Tecsound membrane.
What Are the Benefits of the Tecsound 50SY Self-Adhesive Membrane?
Exceptional Noise Reduction: Effectively blocks both airborne and impact noise, creating a quieter environment.
Self-Adhesive Backing: Simple to install, allowing for quick application and a strong bond to surfaces.
High Density with Flexibility: Delivers substantial soundproofing without adding excessive bulk or thickness.
Fire Resistant and Safe: Made from high-quality, non-toxic materials, including an asphalt-free and PVC-free formula.
Versatile Applications: Suitable for a range of surfaces and settings, from walls to ceilings and even vibrating surfaces.
What thickness of Tecsound should I choose for my project?
The best Tecsound thickness for your project depends on the required noise reduction and the type of sound being blocked. Tecsound 50 (5kg per square metre) is an excellent choice for general soundproofing in homes and offices, providing effective control over moderate airborne noise on walls, floors, and ceilings. For enhanced impact noise reduction, especially on floors, Tecsound 70 (7kg per square metre) offers increased density. In environments demanding top-tier soundproofing, like studios or industrial areas, Tecsound 100 (10kg per square metre) delivers the highest level of insulation. If you’re uncertain, consulting a soundproofing professional can ensure the right fit for your project’s specific needs.
How does Tecsound compare to other soundproofing materials?
Tecsound stands out from traditional soundproofing materials due to its unique combination of high density, flexibility, and viscoelastic properties. Unlike rigid materials like plasterboard or conventional mass-loaded vinyl, Tecsound’s flexible polymer composition allows it to absorb and dissipate vibrations effectively, creating a “damping” effect that prevents noise from resonating through surfaces. Additionally, Tecsound achieves sound insulation levels comparable to lead without the associated toxicity or bulk, making it a safer, space-efficient solution. This versatility allows it to tackle both airborne and impact noise with exceptional effectiveness, making it ideal for a wide range of applications, from residential walls and floors to demanding industrial settings.
Using an Under Floor Heating System?
The Tecsound 50SY membrane has a thermal conductivity of 0.45 W/mK. Before installing it over underfloor heating, check with the system manufacturer to ensure compatibility, as some systems may have specific requirements for use with soundproofing materials.
Upgrade Your Soundproofing System with Tecsound
To achieve maximum noise reduction, Tecsound 50SY can be layered with other soundproofing materials, such as Tecsound 70 or acoustic mineral wool, creating a powerful multi-layered system. Adding layers enhances both the density and resilience of the soundproofing barrier, providing robust protection against a broader range of frequencies. Combining Tecsound with resilient bars or plasterboard further strengthens the sound barrier, absorbing and dampening noise effectively without adding excessive bulk. This layering approach is ideal for creating high-performance soundproofing solutions that fit seamlessly into both small and large spaces, offering professional-grade noise reduction without sacrificing valuable room space. Whether for residential, commercial, or industrial settings, a Tecsound-integrated system is a dependable choice for superior sound control.
Here are the main details for this product:
Dimensions: 6.0m x 1.22m (+/- 2%)
Thickness: 2.6mm
Pack Size: 1 Roll
Weight: 5kg/m2
Density: NA
Coverage: 7.2 sqm
Fire Rating: EN 13501-1 - B
Visit our Fitting Instructions section for more detailed guidance specific to your application.
Please contact our team if you have any questions about this product.
Walls, Floors and Ceilings
Tecsound is utilised in a number of our wall, floor and ceiling solutions, head over to the relevant type to find out more:
How to Install Tecsound 50SY Self-Adhesive Membrane
Tecsound 50SY is a high-performance self-adhesive acoustic membrane designed to significantly reduce airborne noise transmission through walls, ceilings, and floors. Its flexible, high-density composition allows for easy application on a variety of surfaces, making it an effective soundproofing solution for homes, offices, studios, and home gyms.
Thanks to its self-adhesive backing, installation is straightforward and eliminates the need for messy adhesives or fixings. Follow this step-by-step guide to ensure a seamless, professional installation.
What You’ll Need
Tecsound 50SY Acoustic Membrane
Measuring Tape
Stanley Knife or Utility Blade
Straight Edge or Metal Ruler
Roller (Hand or Floor Roller) – To apply pressure for a secure bond
Gloves (recommended for handling)
Step-by-Step Installation Instructions
Step 1: Prepare the Surface
Before installing Tecsound 50SY, ensure the surface is:
Clean – Remove dust, dirt, grease, or loose particles.
Dry – Avoid applying to damp surfaces to ensure proper adhesion.
Smooth & Stable – Fill in any gaps or cracks with filler for an even application.
Tecsound 50SY can be applied to plasterboard, concrete, timber, MDF, and many other surfaces, making it ideal for various soundproofing projects.
Step 2: Measure & Cut the Membrane
Measure the area where the membrane will be applied.
Using a Stanley knife and straight edge, cut Tecsound 50SY to the required size.
Allow a small overlap (5mm – 10mm) between sheets for full coverage.
Tip: If applying Tecsound on ceilings, pre-cut smaller sections for easier handling.
Step 3: Apply Tecsound 50SY to the Surface
Start from a top corner and carefully peel back a small section of the protective backing.
Align the exposed adhesive section to the surface and press it firmly into place.
Gradually peel away more of the backing while smoothing the membrane onto the surface.
Use a hand roller or firm pressure to ensure full adhesion and remove any air bubbles.
Tip: Work slowly and methodically, ensuring no gaps between sheets.
Step 4: Overlap and Seal Joints
For best results, overlap Tecsound 50SY by 5-10mm where sheets meet.
Press the overlap firmly to create a tight seal and maintain soundproofing effectiveness.
If necessary, use Tecsound Jointing Tape to reinforce seams and ensure airtight coverage.
Step 5: Trim & Finish
If covering edges, corners, or outlets, trim excess membrane using a Stanley knife.
For electrical sockets, apply Acoustic Putty Pads to prevent sound leaks.
Seal gaps along edges using Acoustic Sealant to maximise soundproofing.
After Installation: Additional Layers & Covering
Once installed, Tecsound 50SY can be:
Left as is, thanks to its flexible yet durable finish.
Covered with plasterboard or MDF for a smooth final surface.
Combined with other soundproofing materials, such as Rockwool RW5 Acoustic Wool, for enhanced performance.
Final Tips for a Successful Installation
Acclimate the Membrane – Allow Tecsound 50SY to sit in the room for 24 hours before installation.
Work in Pairs – The membrane can be heavy, so having an extra set of hands is useful for ceilings and large areas.
Apply Firm Pressure – Use a roller or hand pressure to ensure full adhesion and eliminate air pockets.
Ensure Complete Coverage – Soundproofing is like waterproofing—any gaps will let sound escape.
Installing Tecsound 50SY Self-Adhesive Membrane is a simple but highly effective way to reduce airborne noise in homes, studios, offices, or home gyms. Its self-adhesive backing makes installation fast and mess-free, while its high-density composition delivers outstanding soundproofing performance.
By following these steps, you can ensure a professional-quality soundproofing installation that lasts for years.
Visit our Fitting Instructions section for more detailed instructions relating to your specific application.
Check out our Soundproofing Guides for more information, advice and tips on all aspects of soundproofing.
Improvement for loud children screening now bearable
I did 4 layer using strips & clips. Think carefully if you can relocate your electrical sockets to another wall. Was definitely quieter before fitted two double sockets on one wall. I spent a good deal of time installing sound protection round and at the back of each one. In hindsight would have relocated to side wall instead of party
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Nick Buckley
Tecsound 50SY Self-Adhesive Membrane
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James Lewis
Great staff and delivery
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Chris Summers
Highly effective soundproofing solution
This is the second time I’ve used Soundstop to supply the products to install their Genie Clip direct to wall system. On both occasions installation has been straightforward and the soundproofing has been highly effective. There’s plenty of useful documentation and videos on the website, so this is an easy option for a competent DIY.
One thing to bear in mind is that the acoustic plasterboard and the Tecsound membrane are both very heavy, making installation a two-man job.
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John Trezise
Tecsound 50SY Self-Adhesive Membrane
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Anji Dawson
Quick delivery
A quick delivery and very helpful people to speak to along the way.
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John Scandone
First class customer service
So happy with the level of service offered by the guys at Soundstop. From start to finish we were kept informed regarding every aspect of our order.
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Colin Armstrong
Ordered on line very straightforward
Ordered on line very straightforward. Delivered within 3 days of ordering as stated. Have not tried the product to date but Im pretty sure it will do the job.
Let customers speak for us
from 310 reviews
WOW. Fantastic
I will line the back of the plasterboard on all my walls when doing any future renovations. An excellent product. Especially when comnbined with Rockwool RWA3.
Best on line ‘sound insulation’ advice on website. Very helpful and knowledgeable in advising on products on phone.
Efficient and friendly service. Great ‘on hold’ music! A pleasure to deal with.
Very pleased with the brackets I purchased from soundstop, easy to install and good quality. Very helpful advice and fast delivery.
Thank you very much.
Looking at designing a new soundproof wall for TV and sound system I choose Soundstore. Was impressed with ease on website, the call from them to advise delivery details. Overal great customer service.
Amazing service, an absolute pleasure calling them, they always answered, we're very patient and helpful with my endless questions. Once ordered, my delivery arrived two days later. I wish every company I dealt with ran their business like these guys.
Items arrived promptly and well-packaged. The strip at the bottom of the door came with a tiny set of instructions which are not easy to follow; a video link would have been useful.
Wrong product sent on first delivery, but great customer service ensured correct item was promptly delivered and apologies accepted. The self adhesive Tecsound is easy to apply and is a quality acoustic product. Well done team.