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- Reduces airborne noise by up to 25 dB Rw
- Fire-rated: self-extinguishing to FMVSS302
- Only 2 mm thick – fits tight construction spaces
- Flexible and easy to cut or shape
- Ideal for floors, ceilings, and wall linings
In Stock
- Brand: Siderise Special Products Ltd
- Model: BE5.V
- Weight: 12.80kg
- Dimensions: 1,250mm x 2,050mm x 2mm
- SKU: BE5.V
- Product code: P1-4129
- MPN: BE5.V
Options available
The Siderise DeadMAT 5kg/m² BE5V is a high-performance flexible sound barrier mat developed for airborne noise reduction in floors, walls, and ceilings.
With its dense vinyl core loaded with mineral fillers, this acoustic mat provides 25dB Rw sound insulation and is perfect for direct application to rigid surfaces in new builds or retrofits.
Its low profile 2mm thickness ensures minimal impact on construction width, while the self-extinguishing, FMVSS302-compliant structure offers added fire protection. Ideal for a wide range of building types — from homes to offices.
Specification:
Width: 1250mm
Length: 2050mm
Dimensions: 1.25m (W) x 2.05m (L)
Reaction to Fire: Self-extinguishing to FMVSS302
Acoustic performance: 25 dB Rw (BS EN ISO 140-3:1995)
Composition: Mineral-filled flexible vinyl
Installation: Direct bonded or free-laid on rigid surface
Siderise DeadMAT Sound Barrier Flexible Acoustic Mat Features:
✔️ 25 dB Rw airborne sound reduction (BS EN ISO 140-3)
✔️ Self-extinguishing to FMVSS302 fire safety standard
✔️ Lightweight 5 kg/m² – easy to handle and apply
✔️ Slim 2mm profile – minimal build-up in assemblies
✔️ Flexible structure – conforms to irregular surfaces
Siderise DeadMAT Sound Barrier Flexible Acoustic Mat Applications:
✔️ Overlay to timber floors in residential or commercial units
✔️ Lining rigid walls or ceilings to reduce airborne noise
✔️ Internal duct or pipe cladding for acoustic control
✔️ Flanking sound upgrades in partition junctions
✔️ Noise curtain in service risers or technical voids
Siderise DeadMAT Sound Barrier Flexible Acoustic Mat Installation Guide:
✔️ Prepare surface – ensure clean, dry, and free of dust
✔️ Cut material – use a utility knife or shears
✔️ Apply directly – bond with suitable contact adhesive
✔️ Seal joints – use acoustic tape or overlap seams
✔️ Treat penetrations – seal around pipes or cables
✔️ Inspect & finish – check coverage and secure edges
*Further information may be found in our Downloads section.
Fairly easy access to all PDF files.
Datasheet ǀ Declaration of Performance - DoP ǀ BBA Certificate ǀ Installation Guide ǀ Certificates ǀ Brochure ǀ SPEC Sheet
| specification | |
| Board covarage | 2.56 m2 |
| Length | 2050mm |
| Material | Flexible vinyl with mineral fillers |
| Size | 2mm x 1250mm x 2050mm |
| Thickness | 2mm |
| Weight/m2 | 5kg |
| Width | 1250mm |
| Fire Classification | Self-extinguishing to FMVSS302 |
| Slab Coverage | 2.56m2 |
| Coverage | .2.56m2 |
| Fire performance | Self-extinguishing to FMVSS302 |
| Shipping method | Palletised delivery |
| Grade | 5kg/m2 |
| Sound insulation reduction | 25 dB Rw |
| Applications | Soundproofing walls, floors, and ceilings |
| Fixing method | Bonded, friction fit, or free-laid on rigid surfaces |
| ETA Notification | Yes |
| Features | Flexible, thin, and fire-retardant vinyl mat |
| Manufacturer | Siderise Insulation® |
We deliver insulation materials to Mainland UK only. Deliveries to Highlands, Northern Ireland, Isle of Wight etc.. might be possible at additional cost.
We offer free delivery on most of the orders above £300 (excluding VAT) (except special products - shipping cost via courier - products marked ''Request A Quote'')
Delivery of some insulation materials might be extended due to the current situation (Covid-19, stock shortages, allocations).
If you need materials quickly please contact us - we will do our best to help you source materials needed.
We do not deliver on weekends and bank holidays. Sometimes we can deliver on Saturdays - please check with us before placing the order.
If you need any further information please contact us tel. 02081910776
We can help to calculate price per m2 or linear meter (one meter in length) cost, please just contact us via phone 02081910776, email or live chat. Alternatively, you can work it out yourself quickly and easily: to get cost per meter square please divide price shown in orange area by ''Required area (m2)'' Example price of £28.80 divided by board coverage 2.88m2 = cost of £10.00 per m2.
INSTALLERS
No matter whether you choose a local installer or a national company, there’s a few tips to help you find the right installer for your home insulation improvements, such as asking for recommendations and making sure that they’re part of a certification scheme. This makes sure that they have the right skills and standards of workmanship to carry out the installation, and you can be sure that they know exactly what they are doing.
4 TIPS FOR CHOOSING THE BEST INSULATION INSTALLER
1. Thermal inspection picture in portfolio
It’s worth seeing a installer’s previous work. There’s no harm asking if you can see any properties nearby that they’ve installed insulation in. Best way would be to see Infrared Thermal Imaging Inspections. Thermal cameras spot small, but key changes in temperature in different areas of a house, identifying problematic areas that the human eye never could and some that a visual inspection could only hypothesize.
2. Reviews
Along with checking recommendations and previous work, finding reviews online can often be a great way to find out if they provide a good service or not. However, it’s best not to solely rely on reviews you may find or review websites, as there’s no controlling who writes them.
3. Compare prices
Comparing prices will also ensure companies can’t take advantage of you and give you a fair price.
4. Word of Mouth
The best way to find a great insulation installer is through recommendations. Make sure you ask friends and family. They will most likely give you their honest opinion and can tell you from first hand experience.
Whether you require a wall, cladding, external wall, loft or floor insulation fitted, you can find and hire your local insulation installers from popular UK web pages. A simple internet search will return thousands of potential installers near your area.
https://www.nia-uk.org/find-an-installer/
https://www.ratedpeople.com/local-thermal-insulation
STOCKIST
We are the stockist of construction materials and related products for both trade and DIY from most recognizable brands in the UK like Cordek, RCM, Promat, Rockwool, Isover, Celotex, Xtratherm, Ursa, Low-E, Cedral, Kingspan, Dufaylite, British Gypsum, K-rend, Ecotherm, Iko enertherm, Kay-Metzeler, Terrawool to allow you to complete your insulation job on time at competitive prices and the highest standards.
