Knauf Earthwool
Are you looking for a new insulation option? Knauf Earthwool is an eco-friendly, green building material that offers superior sound deadening. Knauf Earthwool keeps homes at the ideal temperature by regulating humidity and moisture levels, which means less fluctuation in energy bills. Knauf Earthwool insulation is made from recycled glass bottles without compromising quality or performance. If you are interested in learning more about this product browse our range below or contact our customer service on 020 3582 6399 or via Live Chat.
Please note this Knauf range no longer carries the Earthwool name


- Top-notch thermal and acoustic insulation
- Eco-friendly with Zero ODP and Zero GWP
- Certified Euroclass A1 fire rating for safety
- Regular price
- £34.73
- Sale price
- £34.73
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- Non-combustible Glass Mineral Wool insulation rolls
- Enhanced air quality and comfort levels
- Proven sound absorption, compliant with building regulations
- Regular price
- £49.08
- Sale price
- £49.08
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- Regular price
- £34.74
- Sale price
- £34.74
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- 100mm Loft Roll 44 Combi-Cut for cold lofts with pitched roofs at ceiling level.
- Non-combustible Glass Mineral Wool for superior thermal performance
- Revolutionary ECOSE® Technology ensures sustainability and efficiency
- Regular price
- £34.73
- Sale price
- £34.73
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- Knauf 150mm Loft Insulation offers excellent thermal insulation for lofts and timber floors, with easy installation.
- Loft Roll 44, made of glass mineral wool, provides good fire retardancy and sound insulation.
- Versatile semi-perforated rolls allow customizable width, while resisting odors, rot, fungi, and vermin.
- Regular price
- £34.73
- Sale price
- £34.73
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- Premium glass mineral wool slabs
- Fire-safe, water-repellent, eco-friendly
- Compliant with international standards
- Regular price
- £19.67
- Sale price
- £19.67
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- Various sizes for specific insulation needs
- Zero ODP, zero GWP, formaldehyde-free
- Non-combustible, sustainable, water-vapour resistant
- Regular price
- £35.70
- Sale price
- £35.70
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- Exceptional 170mm thickness for effective insulation
- Environmentally conscious: Euroclass A1 fire rating, CFC and HCFC-free
- Durable, odorless, and rot-resistant; meets rigorous quality standards
- Regular price
- £35.39
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- £35.39
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- Exceptional thermal & acoustic performance with non-combustible glass mineral wool
- Hassle-free friction fit installation
- Flexible sizing & multiple applications for comfortable, energy-efficient spaces
- Regular price
- £1,170.00
- Sale price
- £1,170.00
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- Unfaced rock mineral wool slabs
- Euroclass A1 fire performance, eco-friendly
- Excellent thermal conductivity: 0.035 W/mK
- Regular price
- £36.84
- Sale price
- £36.84
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- Regular price
- £466.80
- Sale price
- £466.80
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- Superior thermal conductivity of 0.035 W/mK
- Eco-friendly with Zero Ozone Depletion and Global Warming Potential
- Odorless, non-hygroscopic, and rot-proof for lasting protection
- Regular price
- £38.90
- Sale price
- £38.90
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- Flexible glass mineral wool rolls for timber frames
- Top-notch thermal and sound insulation
- Water-resistant, eco-friendly, and A1 fire rating
- Regular price
- £1,318.80
- Sale price
- £1,318.80
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- Exceptional acoustic absorption & compliance with regulations.
- Flexible, non-combustible glass mineral wool for easy fitting.
- Superior thermal performance for quieter, more comfortable spaces.
- Regular price
- £2,060.62
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- £2,060.62
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- £0.00
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- Versatile rock mineral wool slabs: Densities from 33 to 200 kg/m3.
- Excellent thermal and acoustic insulation.
- Environmentally friendly: Zero ODP, Class 1 flame spread rating.
- Regular price
- £657.60
- Sale price
- £657.60
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- Regular price
- £1,674.00
- Sale price
- £1,674.00
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- Regular price
- £2,399.99
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- £2,399.99
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- Exceptional acoustic absorption
- Minimum 10kg/m3 density
- Flexible glass mineral wool roll, easy installation, superior thermal and acoustic performance
- Regular price
- £2,784.00
- Sale price
- £2,784.00
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- Regular price
- £1,318.80
- Sale price
- £1,318.80
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Explore an encompassing array of insulation solutions with the Knauf Earthwool category, uniquely curated to offer superior thermal and acoustic performance in varied applications. Through technological advancements, Knauf introduces Earthwool, a range that has redefined traditional insulation materials with its eco-friendly, high-performance, and versatile insulation solutions.
Loft Rolls
- Knauf Loft Roll 44 Combi-Cut Dedicated to enhancing thermal insulation in loft and roof spaces, Loft Roll 44 offerings come in various thicknesses such as 100mm, 150mm, 170mm, and 200mm. These glass mineral wool rolls provide easy installation and exceptional thermal performance across varying loft spaces.
Practical Uses: Ideal for both DIY and professional applications in lofts to efficiently prevent heat loss through the roof.
Acoustic Rolls
- Knauf Acoustic Roll Specifically designed to offer superior sound insulation, these rolls assist in reducing the transmission of airborne sounds in partition walls, ceilings, and floors.
Practical Uses: Apt for spaces where noise reduction is vital such as in home studios, offices, or between adjoining residential rooms.
Cavity Slabs
- Knauf DriTherm Cavity Slabs (e.g., 32, 34, and 37) Specialised slabs tailored for partial fill cavity wall insulation, providing robust thermal performance and water repellency in external walls.
Practical Uses: Widely utilised in new build and refurbishment external wall applications to enhance thermal resistance.
OmniFit Products
- Knauf OmniFit Rolls & Slabs A flexible range that’s designed to ensure a robust fit into walls, partitions, and floors, offering both thermal and acoustic insulation. Available in various thicknesses and sizes to suit distinct requirements.
Practical Uses: Optimal for a myriad of applications including partitions, timber frame walls, and between joists in floors and ceilings.
Rocksilk Flexible Slabs
- Knauf Rocksilk Flexible Slab An adaptable and resilient solution, the Rocksilk slab provides thermal, acoustic, and fire insulation across walls, floors, and roofs.
Practical Uses: Ideal for applications where a sturdy and fire-resistant insulation material is paramount, such as in industrial facilities and public buildings.
FrameTherm Rolls and Slabs
- Knauf Mineral Wool FrameTherm Roll & Frametherm Roll 40 Specially designed for timber frame applications, this subset of products offers a breathable yet thermally effective insulation solution, ensuring steady internal temperatures.
Practical Uses: Predominantly used in timber-framed constructions, ensuring a thermal and moisture management shield within the framework.
SteelTherm Rolls
- Knauf SteelTherm Roll 40 Explicitly aimed at steel frame constructions, providing notable thermal insulation in walls and roofs of steel frame buildings.
Practical Uses: Commonly applied in steel-structured buildings such as warehouses, ensuring thermal consistency and efficiency.
RS Slabs and Rolls
- Knauf RS Range (e.g., RS45, RS60, RS100, RS140) Encompassing a selection of multi-purpose, resilient, and non-combustible rock mineral wool slabs, providing outstanding thermal, acoustic, and fire protection.
Practical Uses: Suitable for various applications in constructions like HVAC systems, partition walls, and floors due to their multifaceted insulation properties.
Timber Frame Products
- Knauf Timber Frame Party Wall Slab Providing acoustic insulation specifically for timber frame party walls, ensuring reduced sound transmission between adjoining dwellings.
Practical Uses: Predominantly used in residential developments, ensuring acoustic privacy and compliance with building regulations.