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Description
Professional 3mm Acoustic Underlay – Up to 54dB Noise Reduction
Cost-effective soundproofing solution with proven 54dB impact noise reduction. Perfect for residential projects with limited floor height requirements.
Key Benefits
- Up to 54dB Impact Noise Reduction – Meets UK Building Regulations Part E standards
- UK Part E Compliant – Suitable for new builds, conversions, and renovations
- 100% Recycled Rubber – Eco-friendly and sustainable soundproofing
- 3mm Thickness – Minimal floor height loss, ideal for tight spaces
- Easy Installation – Simple to cut and lay, no specialist tools needed
Product Specifications
- Thickness: 3mm
- Roll Size: 1m (width) × 10m (length) = 10m² coverage
- Weight: Approximately 32kg per roll
- Material: Recycled rubber granules
- Acoustic Performance: Up to 54dB impact sound reduction
- Compliance: UK Building Regulations Part E approved
Perfect For
- Residential flats and apartments
- Loft conversions with limited floor height
- Retrofit soundproofing projects
- Under laminate, engineered wood, or vinyl flooring
- Budget-conscious projects requiring Part E compliance
🔍 3mm vs 6mm - Which Do You Need?
- Choose 3mm if: You have limited floor height (under 10mm available) or need a cost-effective Part E solution
- Choose 6mm if: You need maximum noise reduction (74dB) or have more floor height flexibility - View 6mm option
🛡️ Why Choose Sound Deadening UK?
- Part E Guarantee – Proven performance in Building Control inspections
- Technical Support – Free advice from our acoustic specialists
- Fast UK Delivery – Quick dispatch from our UK warehouse
- Trade Accounts Available – Competitive pricing for contractors
Questions about which thickness to choose? Contact our team for free technical advice tailored to your project.
All products tested to BS EN ISO 140-8 standards. Technical data sheets available on request.
Acoustic Rubber Underlay 3mm — Genuine Sound Deadening Performance
Our acoustic rubber underlay 3mm delivers up to 54dB impact noise reduction — making it the most affordable genuine acoustic underlay in our range. Manufactured from high-density recycled rubber crumb, it provides real, measurable sound deadening performance at the slimmest possible profile. At just 3mm, it is perfect for renovation projects where floor height is restricted, and for use under laminate, engineered wood, and LVT where minimal build-up is required.
Unlike foam underlays that merely dampen sound, our recycled rubber compound provides true mass-based acoustic performance that does not compress or degrade over time.
Best Acoustic Underlay for Laminate Flooring — 3mm Option
Searching for the best acoustic underlay for laminate flooring that won't raise your floor height significantly? Our 3mm rubber underlay is the ideal solution. It offers a firm, stable base that prevents the hollow, "clicky" sound associated with foam underlays, while delivering genuine 54dB impact noise reduction. It's compatible with all standard laminate and engineered wood flooring brands and can be used on concrete or timber subfloors.
For maximum noise reduction in flats or where Building Regulations Part E compliance is required, consider upgrading to our 6mm version (74dB).
Soundproof Underlay Part E — 3mm Specification
This soundproof underlay Part E compliant product has been tested to BS EN ISO 10140. When used as part of a correctly specified floating floor assembly, it contributes toward meeting Approved Document E requirements for both new build and conversion projects. The 3mm variant achieves 54dB ΔLw impact noise improvement — suitable for many residential applications.
For full Part E compliance in flats and conversions where maximum sound isolation is needed, our 6mm underlay (74dB) is recommended as the primary acoustic layer.
Sound Deadening Underlay for Floors — How the 3mm Works
This sound deadening underlay for floors uses dense recycled rubber mass to decouple your floor finish from the structural subfloor. When footsteps land on the floor, the rubber layer absorbs and dissipates the impact energy before it can vibrate through the building structure into the room below. The result: up to 54dB less impact noise — a reduction that is clearly audible and measurable.
The 3mm profile means it integrates seamlessly under most floor finishes with minimal disruption to door clearances or skirting board heights — a major practical advantage in renovation projects.
Impact Noise Reduction Underlay UK — 3mm vs 6mm Guide
Choosing between 3mm and 6mm impact noise reduction underlay UK? Here's a straightforward guide: the 3mm achieves 54dB and suits standard residential floors where some noise reduction is needed and floor height is critical. The 6mm achieves 74dB — 20dB more — and is recommended where Part E compliance is required, for floors between flats, or where noise problems are more severe. If in doubt, our technical team can advise on the right specification for your project.
Frequently Asked Questions
Does this 3mm acoustic underlay meet Building Regulations Part E?
Yes. Our 3mm acoustic rubber underlay contributes to achieving Part E targets when installed correctly as part of a floating floor system. It is independently tested to BS EN ISO 10140 and achieves 54dB ΔLw impact noise improvement. For projects requiring the highest compliance margin, we recommend our 6mm (74dB) version. Full test data is available on request.
What is the difference between 3mm and 6mm acoustic underlay?
The 3mm underlay achieves up to 54dB impact noise reduction and is ideal when floor height is restricted or where moderate noise reduction is sufficient. The 6mm version achieves up to 74dB — 20dB more performance — and is the recommended choice for flats, conversions, and any project requiring full Part E compliance. Both are manufactured from 94% recycled rubber crumb and will not compress or lose performance over time.
Is this the best acoustic underlay for laminate flooring at 3mm thickness?
Yes. Our 3mm recycled rubber acoustic underlay is the leading 3mm acoustic product for laminate and engineered wood flooring in the UK. It provides a firm, stable, sound-deadening base that eliminates hollow sound and reduces impact noise by up to 54dB. It is used by flat owners, builders, and flooring contractors throughout the UK on both new build and renovation projects.
Can I use this underlay under vinyl or LVT flooring?
Yes. Our 3mm acoustic rubber underlay is fully compatible with LVT (luxury vinyl tile), SPC, and other rigid vinyl floor finishes. It provides a firm, flat base suitable for glue-down and floating vinyl installations, while delivering genuine acoustic performance. Always check your specific flooring manufacturer's underlay guidelines, as some rigid LVT systems specify maximum underlay thickness or hardness.
How does this compare to foam acoustic underlay?
Recycled rubber significantly outperforms foam acoustic underlays in real-world noise reduction. Foam is compressible and loses acoustic performance as it ages and flattens under foot traffic. Our rubber underlay maintains its density and performance for the life of the floor. While foam may show a similar ΔLw figure on paper, rubber provides superior mass-based sound deadening that actually reduces the transmission of low-frequency impact noise — the most common complaint in flats.
