{"product_id":"soundproofing-acoustic-underlay-3mm-54db-recycled","title":"Soundproofing Acoustic Underlay 3mm 94% Recycled Rubber 54dB","description":"\u003cp\u003e\u003cstrong\u003e3mm Premium Acoustic Underlayment — 94% Recycled Rubber, Up to 54 dB Sound Proofing, Slim \u0026amp; Effective Floor Protection\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"759\" data-start=\"461\"\u003e\u003cstrong data-end=\"499\" data-start=\"461\"\u003eSilentCloud 3 mm Acoustic Underlay\u003c\/strong\u003e\u003cbr data-end=\"502\" data-start=\"499\"\u003eSilentCloud 3 mm is a \u003cstrong data-end=\"575\" data-start=\"524\"\u003ehigh-performance, low-profile acoustic underlay\u003c\/strong\u003e manufactured from \u003cstrong data-end=\"617\" data-start=\"594\"\u003e94% recycled rubber\u003c\/strong\u003e. Despite its slim build, it delivers \u003cstrong data-end=\"697\" data-start=\"655\"\u003eimpact sound insulation of up to 54 dB\u003c\/strong\u003e in site testing, outperforming many conventional thin mats.\u003c\/p\u003e\n\u003cp data-end=\"1166\" data-start=\"761\"\u003eThis underlay is engineered for projects where \u003cstrong data-end=\"836\" data-start=\"808\"\u003efloor height is critical\u003c\/strong\u003e but acoustic performance cannot be compromised. Designed for use beneath \u003cstrong data-end=\"988\" data-start=\"910\"\u003eceramic tile, porcelain, stone, vinyl planks\/tiles, LVT, and wood flooring\u003c\/strong\u003e, SilentCloud 3 mm provides both \u003cstrong data-end=\"1065\" data-start=\"1021\"\u003esound reduction and substrate protection\u003c\/strong\u003e, making it ideal for renovations, refurbishments, and new builds with restricted build-up heights.\u003c\/p\u003e\n\u003cdiv class=\"vdo\"\u003e\u003cvideo autoplay=\"autoplay\" muted=\"\" playsinline=\"\" controls=\"controls\" style=\"max-width: 100%; height: auto;\"\u003e\n  \u003csource src=\"https:\/\/cdn.shopify.com\/videos\/c\/o\/v\/08127a05e1074968b68af9e346d9f0a4.mp4\" type=\"video\/mp4\"\u003e\nYour browser does not support our video.\n\u003c\/source\u003e\u003c\/video\u003e\u003c\/div\u003e\n\u003ch3 data-end=\"1507\" data-start=\"1474\"\u003e\u003cstrong data-end=\"1505\" data-start=\"1478\"\u003eKey Features \u0026amp; Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-end=\"2395\" data-start=\"1508\"\u003e\n\u003cli data-end=\"1620\" data-start=\"1508\"\u003e\n\u003cp data-end=\"1620\" data-start=\"1510\"\u003eUp to \u003cstrong data-end=\"1548\" data-start=\"1516\"\u003e54 dB impact sound reduction\u003c\/strong\u003e (site tested; performance varies by subfloor and installation method)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1714\" data-start=\"1621\"\u003e\n\u003cp data-end=\"1714\" data-start=\"1623\"\u003e\u003cstrong data-end=\"1667\" data-start=\"1623\"\u003eAirborne sound insulation up to 50–54 dB\u003c\/strong\u003e, exceeding typical thin underlay performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1803\" data-start=\"1715\"\u003e\n\u003cp data-end=\"1803\" data-start=\"1717\"\u003e\u003cstrong data-end=\"1758\" data-start=\"1717\"\u003eHigh-density formulation (~950 kg\/m³)\u003c\/strong\u003e delivers more mass than standard 3 mm mats\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1918\" data-start=\"1804\"\u003e\n\u003cp data-end=\"1918\" data-start=\"1806\"\u003e\u003cstrong data-end=\"1831\" data-start=\"1806\"\u003eWeight per m² ~2.9 kg\u003c\/strong\u003e provides superior acoustic control compared with conventional 2.2–2.5 kg\/m² products\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2009\" data-start=\"1919\"\u003e\n\u003cp data-end=\"2009\" data-start=\"1921\"\u003e\u003cstrong data-end=\"1942\" data-start=\"1921\"\u003eSlim 3 mm profile\u003c\/strong\u003e, ideal for refurbishments and projects with limited floor height\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2082\" data-start=\"2010\"\u003e\n\u003cp data-end=\"2082\" data-start=\"2012\"\u003e\u003cstrong data-end=\"2055\" data-start=\"2012\"\u003eMoisture, mould, and bacteria resistant\u003c\/strong\u003e for long-term durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2165\" data-start=\"2083\"\u003e\n\u003cp data-end=\"2165\" data-start=\"2085\"\u003e\u003cstrong data-end=\"2101\" data-start=\"2085\"\u003eEco-friendly\u003c\/strong\u003e – made from 94% recycled rubber; contributes to LEED® credits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2264\" data-start=\"2166\"\u003e\n\u003cp data-end=\"2264\" data-start=\"2168\"\u003e\u003cstrong data-end=\"2198\" data-start=\"2168\"\u003eDurable and load-resistant\u003c\/strong\u003e, suitable for demanding residential and commercial environments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2322\" data-start=\"2265\"\u003e\n\u003cp data-end=\"2322\" data-start=\"2267\"\u003eSupplied in \u003cstrong data-end=\"2293\" data-start=\"2279\"\u003e10 m rolls\u003c\/strong\u003e for efficient installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2395\" data-start=\"2323\"\u003e\n\u003cp data-end=\"2395\" data-start=\"2325\"\u003eFully \u003cstrong data-end=\"2344\" data-start=\"2331\"\u003eCE marked\u003c\/strong\u003e and \u003cstrong data-end=\"2393\" data-start=\"2349\"\u003eUK Building Regulations Part E compliant\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2400\" data-start=\"2397\"\u003e\n\u003ch3 data-end=\"2424\" data-start=\"2402\"\u003e\u003cstrong data-end=\"2422\" data-start=\"2406\"\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-end=\"2697\" data-start=\"2425\"\u003e\n\u003cli data-end=\"2466\" data-start=\"2425\"\u003e\n\u003cp data-end=\"2466\" data-start=\"2427\"\u003eConcrete, timber, and steel subfloors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2521\" data-start=\"2467\"\u003e\n\u003cp data-end=\"2521\" data-start=\"2469\"\u003eResidential apartments, condos, and refurbishments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2569\" data-start=\"2522\"\u003e\n\u003cp data-end=\"2569\" data-start=\"2524\"\u003eHotels, offices, and mixed-use developments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2605\" data-start=\"2570\"\u003e\n\u003cp data-end=\"2605\" data-start=\"2572\"\u003eRetail and education facilities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2697\" data-start=\"2606\"\u003e\n\u003cp data-end=\"2697\" data-start=\"2608\"\u003eHome gyms, studios, and cinemas where space is limited but acoustic control is required\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca class=\"download_pdf\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/6176\/6061\/files\/54db-3mm.pdf?v=1755608726\" target=\"_blank\"\u003e\u003cspan\u003eClick to View \/ Download Data Sheet\u003c\/span\u003e \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca class=\"download_pdf\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/6176\/6061\/files\/54db-3mm.pdf?v=1755608726\" 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-start=\"3004\" data-end=\"3031\"\u003eInstallation \u0026amp; ordering\u003c\/h3\u003e\n\u003cp data-start=\"3033\" data-end=\"3299\"\u003eFor full‑floor installations, order one continuous roll rather than multiple short lengths to minimise seams.\u003c\/p\u003e\n\u003cp data-start=\"3301\" data-end=\"3529\"\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\u003eSoundproofing Acoustic Underlay 3mm — Why It Outperforms the Rest\u003c\/h2\u003e\n\u003cp\u003eOur \u003cstrong\u003esoundproofing acoustic underlay 3mm\u003c\/strong\u003e is engineered from 94% recycled rubber, delivering genuine acoustic performance in the slimmest possible profile. At just 3mm thick, it achieves an impressive 54dB impact noise reduction — making it one of the most effective thin soundproofing underlays available in the UK. Whether you're fitting laminate, engineered wood, or LVT flooring, this underlay works silently beneath the surface to create a noticeably quieter living space.\u003c\/p\u003e\n\u003cp\u003eUnlike foam-based alternatives, recycled rubber provides a dense, resilient barrier that doesn't compress over time, maintaining its soundproofing effectiveness for the life of your floor. Choosing the right soundproofing underlay at the start of your project is one of the most impactful decisions you can make — and this product consistently delivers.\u003c\/p\u003e\n\u003ch2\u003eBest Acoustic Underlay for Laminate Flooring — Slim Profile, Maximum Performance\u003c\/h2\u003e\n\u003cp\u003eLooking for the \u003cstrong\u003ebest acoustic underlay for laminate flooring\u003c\/strong\u003e that won't raise your floor height too much? This 3mm recycled rubber underlay is the ideal choice. Many properties — particularly in conversions and flats — have strict tolerances on how much height can be added under a new floor. At 3mm, this underlay adds minimal height while still delivering 54dB of impact noise reduction.\u003c\/p\u003e\n\u003cp\u003eIts rubber composition provides excellent grip and stability for laminate planks, preventing movement, squeaking, and edge-lifting. Combined with its moisture-resistant surface, it's a premium yet practical choice for kitchens, hallways, and living areas where a slim acoustic solution is essential.\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 meets the acoustic standards set out in Approved Document E of the UK Building Regulations. Part E requires that floors in converted flats and new-build properties achieve minimum airborne and impact sound insulation levels to protect occupants from noise disturbance.\u003c\/p\u003e\n\u003cp\u003eThis 3mm acoustic rubber underlay has been independently tested and achieves 54dB impact noise reduction, well within the performance range required for most Part E compliant floor systems. It is commonly used in acoustic flooring assemblies for residential conversions, flats, and houses in multiple occupation (HMOs). For full Part E compliance, the underlay should be used as part of a complete flooring system as specified by your acoustic consultant or building control officer.\u003c\/p\u003e\n\u003ch2\u003eSound Deadening Underlay for Floors — How Recycled Rubber Works\u003c\/h2\u003e\n\u003cp\u003eWhen it comes to \u003cstrong\u003esound deadening underlay for floors\u003c\/strong\u003e, recycled rubber is widely regarded as the most effective material available. The dense, irregular cell structure of recycled rubber absorbs and dissipates impact energy — such as footsteps, dropped objects, and furniture movement — before it can travel through the floor construction and become airborne noise in the room below.\u003c\/p\u003e\n\u003cp\u003eThis 3mm underlay acts as a decoupling layer between your hard floor finish and the subfloor, breaking the direct contact that would otherwise allow vibration to pass freely. The result is a measurable reduction in structure-borne noise, creating quieter, more comfortable spaces — particularly important in flats, apartments, and any property where acoustic performance between floors is critical.\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 offers the following performance characteristics:\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, bonded composite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e Laminate, engineered wood, LVT, hardwood flooring\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\u003eEco credentials:\u003c\/strong\u003e 94% recycled rubber — sustainable, low-carbon product\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture resistance:\u003c\/strong\u003e Suitable for use on concrete and timber subfloors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnderfloor heating compatible:\u003c\/strong\u003e Yes, suitable for use with UFH systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e UK stocked, fast UK delivery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor properties where floor height is a constraint but acoustic performance cannot be compromised, this 3mm soundproofing underlay is the recommended solution. It is particularly popular in flat conversions, HMOs, and modern residential developments where thin-profile acoustic products are essential.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eDoes this soundproofing underlay meet Building Regulations Part E?\u003c\/h3\u003e\n\u003cp\u003eYes. This 3mm recycled rubber acoustic underlay achieves 54dB impact noise reduction and is suitable for use in Part E compliant flooring assemblies. It is tested to meet the performance thresholds required by Approved Document E for floors in converted flats and new-build residential properties. We recommend confirming the full system specification with your acoustic consultant or building control officer.\u003c\/p\u003e\n\u003ch3\u003eWhat is the difference between 3mm and 6mm acoustic underlay?\u003c\/h3\u003e\n\u003cp\u003eThe main differences are thickness, height gain, and acoustic performance. Our 3mm acoustic underlay is ideal where floor height is limited — it adds minimal height while still delivering 54dB of impact noise reduction. Our 6mm option provides an enhanced 74dB rating and is better suited to properties where maximum acoustic performance is the priority and a small increase in floor height is acceptable. For most flat conversions, the 3mm is the preferred choice due to its slim profile.\u003c\/p\u003e\n\u003ch3\u003eIs this the best acoustic rubber underlay for flats?\u003c\/h3\u003e\n\u003cp\u003eFor properties where floor height is restricted, yes — this 3mm recycled rubber underlay is one of the best acoustic underlays for flats available in the UK. Its 54dB impact noise rating, combined with its slim 3mm profile, makes it ideal for conversions and apartments. The 94% recycled rubber composition also provides long-term durability, ensuring the acoustic performance doesn't degrade over time as foam underlays can.\u003c\/p\u003e\n\u003ch3\u003eHow much acoustic underlay do I need?\u003c\/h3\u003e\n\u003cp\u003eTo calculate how much underlay you need, simply measure the length and width of your room in metres and multiply them together to get your total area in square metres. Add 10% for wastage from cuts around door frames, alcoves, and fitted furniture. Our underlay is available in rolls of varying sizes — select the option closest to your required area and you can always trim excess with a sharp knife or scissors on site.\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 water-fed underfloor heating (UFH) systems. Its low thermal resistance ensures that heat from your UFH system passes efficiently through to the floor surface, maintaining heating performance while still providing excellent acoustic insulation. This makes it an ideal choice for modern open-plan properties where underfloor heating and acoustic performance are both priorities.\u003c\/p\u003e","brand":"Silentcloud","offers":[{"title":"1m (Width) × 10m (Length) – Covers 10m²","offer_id":55612746695042,"sku":null,"price":225.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/6176\/6061\/files\/1D403B09-3406-47C1-B437-27604337451D.png?v=1771409594","url":"https:\/\/www.sounddeadeninguk.co.uk\/products\/soundproofing-acoustic-underlay-3mm-54db-recycled","provider":"Sound Deadening UK","version":"1.0","type":"link"}