Acoustic Insulation

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Types of Acoustic Insulation Acoustic Insulation Slabs Slabs are the most popular choice for party walls, separating floors, and stud partitions. They friction-fit between timber studs and floor joists without fixings or specialist tools. Rockwool RWA45 is the UK's most widely used acoustic slab, available from 25mm to 100mm thick. For applications needing maximum performance, Knauf Rocksilk RS45 and RS60 offer higher densities for greater sound blocking. Shop Acoustic Insulation Slabs Acoustic Insulation Rolls Rolls suit larger areas and irregular joist or stud spacing, with less cutting and less waste than slabs. Knauf Acoustic Roll uses a bio-based binder that makes it softer and less itchy to handle, which is a good solution for DIY installations. Superglass Acoustic Partition Roll comes pre-cut to 600mm widths, fitting standard stud centres straight from the pack. Shop Acoustic Insulation Rolls Benefits of Acoustic Insulation Reduce Noise Transmission - Block airborne and impact noise between rooms and properties Building Regulations Compliance - Meet Approved Document E requirements (45dB DnTw minimum) Dual Thermal Benefits - Excellent thermal insulation (0.034-0.038 W/mK) alongside acoustic performance Fire Safety - Euroclass A1 non-combustible mineral wool for maximum fire protection Quick Friction - Fit Installation - No fixings required, slots between studs and joists Moisture Resistant - Water-repellent stone wool and glass wool maintains performance Improved Privacy - Create peaceful, comfortable living and working environments Cost-Effective Soundproofing - Affordable solution for reducing unwanted noise Where to Use Sound Insulation Party walls between terraced and semi-detached properties are the most common application. Building Regulations Approved Document E requires a minimum 45dB sound insulation (DnTw) for separating walls. Install 100mm Rockwool RWA45 or Knauf Acoustic Roll between timber studs in party wall constructions, combined with two lay