{"product_id":"sound-proof-acoustic-underlay-3mm-54db-recycled-per-metre","title":"Sound Proof Acoustic Underlay 3mm 94% Recycled Rubber 54dB","description":"\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] thread-sm:[--thread-content-margin:--spacing(6)] thread-lg:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] thread-lg:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"20faf6c7-7637-4e6c-aa5b-701b2c0fe4f8\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-4o-mini\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full break-words light markdown-new-styling\"\u003e\n\u003ch2 data-start=\"0\" data-end=\"300\"\u003e\u003cstrong data-start=\"0\" data-end=\"63\"\u003eSilentCloud 3 mm Acoustic Underlay (Linear Meter 1m to 10m)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"0\" data-end=\"300\"\u003e\u003cbr data-start=\"63\" data-end=\"66\"\u003eSilentCloud 3 mm is a high-performance, low-profile acoustic underlay crafted from 94% recycled rubber. Despite its slim design, it delivers impressive impact sound insulation of up to 54 Silentcloud, outperforming many conventional thin mats.\u003c\/p\u003e\n\u003cp data-start=\"302\" data-end=\"631\"\u003eIdeal for projects with height restrictions, this underlay is designed for use beneath ceramic tile, porcelain, stone, vinyl planks\/tiles, LVT, and wood flooring. SilentCloud 3 mm provides sound reduction and substrate protection, making it perfect for renovations, refurbishments, and new builds where floor height is a concern.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vdo\"\u003e\u003cvideo style=\"max-width: 100%; height: auto;\" controls=\"controls\" playsinline=\"\" muted=\"\" autoplay=\"autoplay\"\u003e\n  \u003csource type=\"video\/mp4\" src=\"https:\/\/cdn.shopify.com\/videos\/c\/o\/v\/08127a05e1074968b68af9e346d9f0a4.mp4\"\u003e\nYour browser does not support our video.\n\u003c\/source\u003e\u003c\/video\u003e\u003c\/div\u003e\n\u003cp data-start=\"633\" data-end=\"662\"\u003e\u003cstrong data-start=\"633\" data-end=\"660\"\u003eKey Features \u0026amp; Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"663\" data-end=\"1618\"\u003e\n\u003cli data-start=\"663\" data-end=\"787\"\u003e\n\u003cp data-start=\"665\" data-end=\"787\"\u003e\u003cstrong data-start=\"665\" data-end=\"703\"\u003eUp to 54 Silentcloud impact sound reduction\u003c\/strong\u003e (site-tested; performance may vary depending on subfloor and installation method)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"788\" data-end=\"882\"\u003e\n\u003cp data-start=\"790\" data-end=\"882\"\u003e\u003cstrong data-start=\"790\" data-end=\"834\"\u003eAirborne sound insulation up to 50–54 Silentcloud\u003c\/strong\u003e, surpassing typical thin underlay performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"883\" data-end=\"972\"\u003e\n\u003cp data-start=\"885\" data-end=\"972\"\u003e\u003cstrong data-start=\"885\" data-end=\"926\"\u003eHigh-density formulation (~950 kg\/m³)\u003c\/strong\u003e offers greater mass than standard 3 mm mats\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"973\" data-end=\"1085\"\u003e\n\u003cp data-start=\"975\" data-end=\"1085\"\u003e\u003cstrong data-start=\"975\" data-end=\"1000\"\u003eWeight per m² ~2.9 kg\u003c\/strong\u003e provides superior acoustic control compared to conventional 2.2–2.5 kg\/m² products\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1086\" data-end=\"1184\"\u003e\n\u003cp data-start=\"1088\" data-end=\"1184\"\u003e\u003cstrong data-start=\"1088\" data-end=\"1109\"\u003eSlim 3 mm profile\u003c\/strong\u003e makes it ideal for refurbishments and projects with limited floor height\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1185\" data-end=\"1263\"\u003e\n\u003cp data-start=\"1187\" data-end=\"1263\"\u003e\u003cstrong data-start=\"1187\" data-end=\"1230\"\u003eMoisture, mould, and bacteria resistant\u003c\/strong\u003e, ensuring long-term durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1264\" data-end=\"1346\"\u003e\n\u003cp data-start=\"1266\" data-end=\"1346\"\u003e\u003cstrong data-start=\"1266\" data-end=\"1282\"\u003eEco-friendly\u003c\/strong\u003e – made from 94% recycled rubber; contributes to LEED® credits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1347\" data-end=\"1445\"\u003e\n\u003cp data-start=\"1349\" data-end=\"1445\"\u003e\u003cstrong data-start=\"1349\" data-end=\"1379\"\u003eDurable and load-resistant\u003c\/strong\u003e, suitable for demanding residential and commercial environments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1446\" data-end=\"1544\"\u003e\n\u003cp data-start=\"1448\" data-end=\"1544\"\u003e\u003cstrong data-start=\"1448\" data-end=\"1493\"\u003eAvailable in linear meters from 1m to 10m\u003c\/strong\u003e for efficient installation and flexible coverage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1545\" data-end=\"1618\"\u003e\n\u003cp data-start=\"1547\" data-end=\"1618\"\u003eFully \u003cstrong data-start=\"1553\" data-end=\"1566\"\u003eCE marked\u003c\/strong\u003e and compliant with UK Building Regulations Part E\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1620\" data-end=\"1638\"\u003e\u003cstrong data-start=\"1620\" data-end=\"1636\"\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1639\" data-end=\"1907\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-start=\"1639\" data-end=\"1680\"\u003e\n\u003cp data-start=\"1641\" data-end=\"1680\"\u003eConcrete, timber, and steel subfloors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1681\" data-end=\"1735\"\u003e\n\u003cp data-start=\"1683\" data-end=\"1735\"\u003eResidential apartments, condos, and refurbishments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1736\" data-end=\"1783\"\u003e\n\u003cp data-start=\"1738\" data-end=\"1783\"\u003eHotels, offices, and mixed-use developments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1784\" data-end=\"1819\"\u003e\n\u003cp data-start=\"1786\" data-end=\"1819\"\u003eRetail and education facilities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1820\" data-end=\"1907\" data-is-last-node=\"\"\u003e\n\u003cp data-start=\"1822\" data-end=\"1907\" data-is-last-node=\"\"\u003eHome gyms, studios, and cinemas where space is limited but acoustic control is needed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/6176\/6061\/files\/54Silentcloud-3mm.pdf?v=1755608726\" class=\"download_pdf\" target=\"_blank\"\u003e\u003cspan\u003eClick to View \/ Download Data Sheet\u003c\/span\u003e \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/6176\/6061\/files\/54Silentcloud-3mm.pdf?v=1755608726\" class=\"download_pdf\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0585\/1362\/1185\/files\/pdf.png?v=1628147591\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3 data-end=\"3031\" data-start=\"3004\"\u003eInstallation \u0026amp; ordering\u003c\/h3\u003e\n\u003cp data-end=\"3299\" data-start=\"3033\"\u003eFor full‑floor installations, order one continuous roll rather than multiple short lengths to minimise seams.\u003c\/p\u003e\n\u003cp data-end=\"3529\" data-start=\"3301\"\u003eNeed help with installation or choosing the right length? Our technical team can advise on sub‑floor preparation and acoustic performance. We offer free UK shipping from our local warehouse and trade discounts for larger orders.\u003c\/p\u003e\n\u003ch2\u003eSound Proof Acoustic Underlay 3mm — Why It Outperforms the Rest\u003c\/h2\u003e\n\u003cp\u003eOur \u003cstrong\u003esound proof acoustic underlay 3mm\u003c\/strong\u003e is manufactured from 94% recycled rubber, delivering 54dB of impact noise reduction in a slim, low-profile format. Available in linear metre cuts (1m to 10m), it offers maximum flexibility for both small and large flooring projects. Whether you're laying a single room or fitting out an entire flat, you can buy precisely the quantity you need — no waste, no leftover rolls.\u003c\/p\u003e\n\u003cp\u003eUnlike single-size roll products, the cut-to-length format of this underlay makes it the preferred choice for professional flooring contractors and DIY installers alike. The recycled rubber composition ensures long-lasting resilience — it won't compress, crack, or lose its soundproofing effectiveness over time, unlike foam alternatives.\u003c\/p\u003e\n\u003ch2\u003eBest Acoustic Underlay for Laminate Flooring — Cut to Size, No Waste\u003c\/h2\u003e\n\u003cp\u003eFor anyone looking for the \u003cstrong\u003ebest acoustic underlay for laminate flooring\u003c\/strong\u003e in a flexible format, this 3mm recycled rubber underlay is an excellent choice. The linear metre sizing (1m × 1m to 1m × 10m) means you can calculate your room area precisely and order exactly what you need. This is especially useful for irregular-shaped rooms, smaller spaces, or projects where you've already purchased underlay for the main area and just need a top-up.\u003c\/p\u003e\n\u003cp\u003eThe 3mm profile adds minimal height to your floor build-up — a critical factor in doorway clearances and adjacent room transitions — while still delivering 54dB of impact noise reduction. Its moisture-resistant surface is suitable for use on both timber and concrete subfloors.\u003c\/p\u003e\n\u003ch2\u003eSoundproof Underlay Part E — Does This Product Comply?\u003c\/h2\u003e\n\u003cp\u003eYes — this \u003cstrong\u003esoundproof underlay Part E\u003c\/strong\u003e compliant product is suitable for use in acoustic flooring systems meeting the requirements of Approved Document E of the UK Building Regulations. Part E requires that floors in flats and houses in multiple occupation (HMOs) achieve minimum standards for both airborne and impact sound insulation between occupancies.\u003c\/p\u003e\n\u003cp\u003eThis 3mm acoustic rubber underlay achieves 54dB impact noise reduction, placing it within the performance range used in many approved Part E flooring assemblies. For projects requiring full Part E sign-off from building control, we recommend confirming the complete system specification with your acoustic consultant to ensure all elements of the assembly meet the required performance thresholds.\u003c\/p\u003e\n\u003ch2\u003eSound Deadening Underlay for Floors — How Recycled Rubber Delivers Results\u003c\/h2\u003e\n\u003cp\u003eRecycled rubber is widely recognised as the most effective material for \u003cstrong\u003esound deadening underlay for floors\u003c\/strong\u003e. Its dense, granular structure absorbs and dissipates vibration energy — such as the impact from footsteps — before it can be transmitted through the floor construction and perceived as airborne noise in the room below.\u003c\/p\u003e\n\u003cp\u003eThis 3mm underlay forms a resilient, vibration-absorbing layer between your hard floor covering and the subfloor, effectively decoupling the two surfaces and breaking the path for structure-borne sound transmission. The result is a noticeably quieter property — particularly important in flats, conversions, and any multi-storey property where noise between floors is a concern.\u003c\/p\u003e\n\u003ch2\u003eImpact Noise Reduction Underlay UK — Technical Specification\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eimpact noise reduction underlay UK\u003c\/strong\u003e product is available in the following specification:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 3mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpact noise reduction:\u003c\/strong\u003e Up to 54dB (site tested)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 94% recycled rubber granules, composite bonded\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable sizes:\u003c\/strong\u003e Linear metre cuts — 1m × 1m through to 1m × 10m (10 variants)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e Laminate, engineered wood, LVT, hardwood (floating)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilding Regulations:\u003c\/strong\u003e Part E compliant acoustic system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture resistance:\u003c\/strong\u003e Suitable for concrete and timber subfloors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnderfloor heating:\u003c\/strong\u003e Compatible with UFH systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEco credentials:\u003c\/strong\u003e 94% recycled rubber — sustainable, low-carbon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e Cut to length — buy only what you need\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e UK stocked, fast delivery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe linear metre format makes this one of the most cost-effective ways to buy premium acoustic rubber underlay — pay only for the area you need, with no waste. Ideal for professional installers and DIY homeowners who want flexibility without compromise on performance.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eDoes this sound proof acoustic underlay meet Building Regulations Part E?\u003c\/h3\u003e\n\u003cp\u003eYes. This 3mm recycled rubber underlay achieves 54dB of impact noise reduction and is suitable for use in acoustic flooring systems that meet the requirements of Approved Document E. It is appropriate for use in flat conversions, new-build properties, and HMOs where Part E compliance is required. For full compliance sign-off, the underlay should be part of a complete specified acoustic system — confirm with your acoustic consultant or building control officer.\u003c\/p\u003e\n\u003ch3\u003eWhat is the difference between buying per linear metre vs. a full roll?\u003c\/h3\u003e\n\u003cp\u003eBuying per linear metre gives you complete flexibility — you order exactly the size you need (from 1m² to 10m²) rather than purchasing a full roll that may leave you with significant waste. This is ideal for rooms where your calculated area doesn't match standard roll sizes, for top-up quantities, or for professional contractors who want to minimise off-cuts and material waste on site. Full roll options may offer a lower cost-per-square-metre for large projects.\u003c\/p\u003e\n\u003ch3\u003eIs this the best acoustic rubber underlay for flats?\u003c\/h3\u003e\n\u003cp\u003eFor flats where floor height is limited and a slim-profile solution is needed, yes — this 3mm recycled rubber underlay is one of the best acoustic underlays for flats available in the UK. Its 54dB impact noise rating provides meaningful reduction in the footfall noise heard between floors, while the 3mm thickness adds minimal height to the floor build-up. Available in exact sizes, it's a flexible, cost-effective choice for residential flat conversions.\u003c\/p\u003e\n\u003ch3\u003eHow much acoustic underlay do I need?\u003c\/h3\u003e\n\u003cp\u003eMeasure the length and width of your room in metres and multiply together to get your floor area in square metres. Add 10% for cuts and wastage. Then select the closest linear metre option from our range. For example, a 4m × 3.5m room = 14m², plus 10% wastage = 15.4m² — you'd select the 1m × 10m option for your main area and the 1m × 5m or 1m × 6m option as a top-up, or simply order 16m² across two purchases.\u003c\/p\u003e\n\u003ch3\u003eIs this underlay compatible with underfloor heating systems?\u003c\/h3\u003e\n\u003cp\u003eYes — this 3mm recycled rubber soundproofing underlay is compatible with electric and hot-water underfloor heating (UFH) systems. Its thermal resistance is low enough to allow efficient heat transfer from the UFH system through to the floor surface, while still delivering its acoustic insulation performance. This makes it an excellent choice for modern flats and open-plan living spaces where both underfloor heating and acoustic compliance are required.\u003c\/p\u003e","brand":"Silentcloud","offers":[{"title":"1m (Width) × 1m (Length) – Covers 1m²","offer_id":56131206807938,"sku":null,"price":19.99,"currency_code":"GBP","in_stock":true},{"title":"1m (Width) × 2m (Length) – Covers 2m²","offer_id":56131206840706,"sku":null,"price":39.99,"currency_code":"GBP","in_stock":true},{"title":"1m (Width) × 3m (Length) – Covers 3m²","offer_id":56131206873474,"sku":null,"price":59.99,"currency_code":"GBP","in_stock":true},{"title":"1m (Width) × 4m (Length) – Covers 4m²","offer_id":56131206906242,"sku":null,"price":79.0,"currency_code":"GBP","in_stock":true},{"title":"1m (Width) × 5m (Length) – Covers 5m²","offer_id":56131206939010,"sku":null,"price":99.0,"currency_code":"GBP","in_stock":true},{"title":"1m (Width) × 6m (Length) – Covers 6m²","offer_id":56131206971778,"sku":null,"price":115.0,"currency_code":"GBP","in_stock":true},{"title":"1m (Width) × 7m (Length) – Covers 7m²","offer_id":56131207004546,"sku":null,"price":125.0,"currency_code":"GBP","in_stock":true},{"title":"1m (Width) × 8m (Length) – Covers 8m²","offer_id":56131207037314,"sku":null,"price":150.0,"currency_code":"GBP","in_stock":true},{"title":"1m (Width) × 9m (Length) – Covers 9m²","offer_id":56131207070082,"sku":null,"price":175.0,"currency_code":"GBP","in_stock":true},{"title":"1m (Width) × 10m (Length) – Covers 10m²","offer_id":56131207102850,"sku":null,"price":199.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/6176\/6061\/files\/1D403B09-3406-47C1-B437-27604337451D_f505ab40-ed8d-44cb-bd7e-030654c44740.png?v=1766839141","url":"https:\/\/www.sounddeadeninguk.co.uk\/products\/sound-proof-acoustic-underlay-3mm-54db-recycled-per-metre","provider":"Sound Deadening UK","version":"1.0","type":"link"}